676 lines
22 KiB
ObjectPascal
676 lines
22 KiB
ObjectPascal
{****************************************************************************}
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{ }
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{ Project JEDI Code Library (JCL) }
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{ }
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{ The contents of this file are subject to the Mozilla Public License }
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{ Version 1.1 (the "License"); you may not use this file except in }
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{ compliance with the License. You may obtain a copy of the License at }
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{ http://www.mozilla.org/MPL/ }
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{ }
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{ Software distributed under the License is distributed on an "AS IS" basis, }
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{ WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License }
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{ for the specific language governing rights and limitations under the }
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{ License. }
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{ }
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{ The Original Code is ExceptDlg.pas. }
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{ }
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{ The Initial Developer of the Original Code is Petr Vones. }
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{ Portions created by Petr Vones are Copyright (C) of Petr Vones. }
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{ }
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{****************************************************************************}
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{ }
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{ Last modified: $Date: 2007-05-23 11:32:18 +0200 (mer., 23 mai 2007) $ }
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{ }
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{****************************************************************************}
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unit ExceptDlgMail;
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interface
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uses
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Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
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Dialogs, StdCtrls, ExtCtrls, AppEvnts,
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JclSysUtils, JclMapi, JclDebug;
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const
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UM_CREATEDETAILS = WM_USER + $100;
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type
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TExceptionDialogMail = class(TForm)
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SendBtn: TButton;
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TextLabel: TMemo;
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OkBtn: TButton;
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DetailsBtn: TButton;
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BevelDetails: TBevel;
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DetailsMemo: TMemo;
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procedure SendBtnClick(Sender: TObject);
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procedure FormPaint(Sender: TObject);
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procedure FormCreate(Sender: TObject);
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procedure FormShow(Sender: TObject);
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procedure DetailsBtnClick(Sender: TObject);
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procedure FormKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
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procedure FormDestroy(Sender: TObject);
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procedure FormResize(Sender: TObject);
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private
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private
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FDetailsVisible: Boolean;
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FThreadID: DWORD;
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FLastActiveControl: TWinControl;
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FNonDetailsHeight: Integer;
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FFullHeight: Integer;
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FSimpleLog: TJclSimpleLog;
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procedure ReportToLog;
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function GetReportAsText: string;
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procedure SetDetailsVisible(const Value: Boolean);
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procedure UMCreateDetails(var Message: TMessage); message UM_CREATEDETAILS;
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protected
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procedure AfterCreateDetails; dynamic;
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procedure BeforeCreateDetails; dynamic;
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procedure CreateDetails; dynamic;
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procedure CreateReport;
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function ReportMaxColumns: Integer; virtual;
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function ReportNewBlockDelimiterChar: Char; virtual;
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procedure NextDetailBlock;
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procedure UpdateTextLabelScrollbars;
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public
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procedure CopyReportToClipboard;
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class procedure ExceptionHandler(Sender: TObject; E: Exception);
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class procedure ExceptionThreadHandler(Thread: TJclDebugThread);
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class procedure ShowException(E: TObject; Thread: TJclDebugThread);
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property DetailsVisible: Boolean read FDetailsVisible
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write SetDetailsVisible;
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property ReportAsText: string read GetReportAsText;
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property SimpleLog: TJclSimpleLog read FSimpleLog;
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end;
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TExceptionDialogMailClass = class of TExceptionDialogMail;
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var
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ExceptionDialogMailClass: TExceptionDialogMailClass = TExceptionDialogMail;
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implementation
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{$R *.dfm}
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uses
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ClipBrd, Math,
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JclBase, JclFileUtils, JclHookExcept, JclPeImage, JclStrings, JclSysInfo, JclWin32;
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resourcestring
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RsAppError = '%s - application error';
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RsExceptionClass = 'Exception class: %s';
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RsExceptionMessage = 'Exception message: %s';
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RsExceptionAddr = 'Exception address: %p';
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RsStackList = 'Stack list, generated %s';
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RsModulesList = 'List of loaded modules:';
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RsOSVersion = 'System : %s %s, Version: %d.%d, Build: %x, "%s"';
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RsProcessor = 'Processor: %s, %s, %d MHz';
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RsMemory = 'Memory: %d; free %d';
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RsScreenRes = 'Display : %dx%d pixels, %d bpp';
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RsActiveControl = 'Active Controls hierarchy:';
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RsThread = 'Thread: %s';
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RsMissingVersionInfo = '(no version info)';
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var
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ExceptionDialogMail: TExceptionDialogMail;
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//============================================================================
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// Helper routines
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//============================================================================
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// SortModulesListByAddressCompare
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// sorts module by address
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function SortModulesListByAddressCompare(List: TStringList;
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Index1, Index2: Integer): Integer;
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var
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Addr1, Addr2: Cardinal;
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begin
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Addr1 := Cardinal(List.Objects[Index1]);
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Addr2 := Cardinal(List.Objects[Index2]);
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if Addr1 > Addr2 then
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Result := 1
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else if Addr1 < Addr2 then
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Result := -1
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else
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Result := 0;
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end;
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//============================================================================
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// TApplication.HandleException method code hooking for exceptions from DLLs
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//============================================================================
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// We need to catch the last line of TApplication.HandleException method:
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// [...]
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// end else
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// SysUtils.ShowException(ExceptObject, ExceptAddr);
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// end;
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procedure HookShowException(ExceptObject: TObject; ExceptAddr: Pointer);
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begin
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if JclValidateModuleAddress(ExceptAddr)
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and (ExceptObject.InstanceSize >= Exception.InstanceSize) then
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TExceptionDialogMail.ExceptionHandler(nil, Exception(ExceptObject))
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else
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SysUtils.ShowException(ExceptObject, ExceptAddr);
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end;
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//----------------------------------------------------------------------------
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function HookTApplicationHandleException: Boolean;
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const
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CallOffset = $86;
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CallOffsetDebug = $94;
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type
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PCALLInstruction = ^TCALLInstruction;
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TCALLInstruction = packed record
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Call: Byte;
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Address: Integer;
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end;
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var
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TApplicationHandleExceptionAddr, SysUtilsShowExceptionAddr: Pointer;
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CALLInstruction: TCALLInstruction;
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CallAddress: Pointer;
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WrittenBytes: Cardinal;
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function CheckAddressForOffset(Offset: Cardinal): Boolean;
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begin
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try
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CallAddress := Pointer(Cardinal(TApplicationHandleExceptionAddr) + Offset);
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CALLInstruction.Call := $E8;
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Result := PCALLInstruction(CallAddress)^.Call = CALLInstruction.Call;
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if Result then
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begin
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if IsCompiledWithPackages then
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Result := PeMapImgResolvePackageThunk(Pointer(Integer(CallAddress) + Integer(PCALLInstruction(CallAddress)^.Address) + SizeOf(CALLInstruction))) = SysUtilsShowExceptionAddr
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else
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Result := PCALLInstruction(CallAddress)^.Address = Integer(SysUtilsShowExceptionAddr) - Integer(CallAddress) - SizeOf(CALLInstruction);
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end;
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except
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Result := False;
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end;
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end;
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begin
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TApplicationHandleExceptionAddr := PeMapImgResolvePackageThunk(@TApplication.HandleException);
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SysUtilsShowExceptionAddr := PeMapImgResolvePackageThunk(@SysUtils.ShowException);
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if Assigned(TApplicationHandleExceptionAddr) and Assigned(SysUtilsShowExceptionAddr) then
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begin
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Result := CheckAddressForOffset(CallOffset) or CheckAddressForOffset(CallOffsetDebug);
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if Result then
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begin
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CALLInstruction.Address := Integer(@HookShowException) - Integer(CallAddress) - SizeOf(CALLInstruction);
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Result := WriteProtectedMemory(CallAddress, @CallInstruction, SizeOf(CallInstruction), WrittenBytes);
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end;
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end
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else
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Result := False;
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end;
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//============================================================================
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// Exception dialog with Send
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//============================================================================
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var
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ExceptionShowing: Boolean;
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//=== { TExceptionDialogMail } ===============================================
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procedure TExceptionDialogMail.AfterCreateDetails;
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begin
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SendBtn.Enabled := True;
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end;
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//----------------------------------------------------------------------------
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procedure TExceptionDialogMail.BeforeCreateDetails;
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begin
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SendBtn.Enabled := False;
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end;
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//----------------------------------------------------------------------------
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function TExceptionDialogMail.ReportMaxColumns: Integer;
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begin
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Result := 78;
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end;
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//----------------------------------------------------------------------------
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procedure TExceptionDialogMail.SendBtnClick(Sender: TObject);
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begin
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with TJclEmail.Create do
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try
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ParentWnd := Application.Handle;
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Recipients.Add('name@domain.ext');
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Subject := 'email subject';
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Body := ReportAsText;
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SaveTaskWindows;
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try
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Send(True);
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finally
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RestoreTaskWindows;
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end;
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finally
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Free;
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end;
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end;
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//----------------------------------------------------------------------------
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procedure TExceptionDialogMail.CopyReportToClipboard;
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begin
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ClipBoard.AsText := ReportAsText;
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end;
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//----------------------------------------------------------------------------
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procedure TExceptionDialogMail.CreateDetails;
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begin
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Screen.Cursor := crHourGlass;
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DetailsMemo.Lines.BeginUpdate;
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try
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CreateReport;
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ReportToLog;
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DetailsMemo.SelStart := 0;
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SendMessage(DetailsMemo.Handle, EM_SCROLLCARET, 0, 0);
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AfterCreateDetails;
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finally
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DetailsMemo.Lines.EndUpdate;
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OkBtn.Enabled := True;
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DetailsBtn.Enabled := True;
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OkBtn.SetFocus;
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Screen.Cursor := crDefault;
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end;
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end;
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//----------------------------------------------------------------------------
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procedure TExceptionDialogMail.CreateReport;
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var
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SL: TStringList;
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I: Integer;
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ModuleName: TFileName;
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NtHeaders32: PImageNtHeaders32;
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NtHeaders64: PImageNtHeaders64;
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ModuleBase: Cardinal;
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ImageBaseStr: string;
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C: TWinControl;
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CpuInfo: TCpuInfo;
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ProcessorDetails: string;
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StackList: TJclStackInfoList;
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PETarget: TJclPeTarget;
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begin
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SL := TStringList.Create;
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try
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// Stack list
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StackList := JclGetExceptStackList(FThreadID);
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if Assigned(StackList) then
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begin
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DetailsMemo.Lines.Add(Format(RsStackList, [DateTimeToStr(StackList.TimeStamp)]));
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StackList.AddToStrings(DetailsMemo.Lines, True, True, True, True);
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NextDetailBlock;
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end;
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// System and OS information
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DetailsMemo.Lines.Add(Format(RsOSVersion, [GetWindowsVersionString, NtProductTypeString,
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Win32MajorVersion, Win32MinorVersion, Win32BuildNumber, Win32CSDVersion]));
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GetCpuInfo(CpuInfo);
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with CpuInfo do
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begin
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ProcessorDetails := Format(RsProcessor, [Manufacturer, CpuName,
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RoundFrequency(FrequencyInfo.NormFreq)]);
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if not IsFDIVOK then
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ProcessorDetails := ProcessorDetails + ' [FDIV Bug]';
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if ExMMX then
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ProcessorDetails := ProcessorDetails + ' MMXex'
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else if MMX then
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ProcessorDetails := ProcessorDetails + ' MMX';
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if SSE > 0 then
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ProcessorDetails := Format('%s SSE%d', [ProcessorDetails, SSE]);
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if Ex3DNow then
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ProcessorDetails := ProcessorDetails + ' 3DNow!ex'
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else if _3DNow then
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ProcessorDetails := ProcessorDetails + ' 3DNow!';
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if Is64Bits then
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ProcessorDetails := ProcessorDetails + ' 64 bits';
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if DEPCapable then
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ProcessorDetails := ProcessorDetails + ' DEP';
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end;
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DetailsMemo.Lines.Add(ProcessorDetails);
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DetailsMemo.Lines.Add(Format(RsMemory, [GetTotalPhysicalMemory div 1024 div 1024,
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GetFreePhysicalMemory div 1024 div 1024]));
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DetailsMemo.Lines.Add(Format(RsScreenRes, [Screen.Width, Screen.Height, GetBPP]));
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NextDetailBlock;
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// Modules list
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if LoadedModulesList(SL, GetCurrentProcessId) then
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begin
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DetailsMemo.Lines.Add(RsModulesList);
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SL.CustomSort(SortModulesListByAddressCompare);
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for I := 0 to SL.Count - 1 do
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begin
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ModuleName := SL[I];
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ModuleBase := Cardinal(SL.Objects[I]);
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DetailsMemo.Lines.Add(Format('[%.8x] %s', [ModuleBase, ModuleName]));
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PETarget := PeMapImgTarget(Pointer(ModuleBase));
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NtHeaders32 := nil;
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NtHeaders64 := nil;
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if PETarget = taWin32 then
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NtHeaders32 := PeMapImgNtHeaders32(Pointer(ModuleBase))
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else
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if PETarget = taWin64 then
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NtHeaders64 := PeMapImgNtHeaders64(Pointer(ModuleBase));
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if (NtHeaders32 <> nil) and (NtHeaders32^.OptionalHeader.ImageBase <> ModuleBase) then
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ImageBaseStr := Format('<%.8x> ', [NtHeaders32^.OptionalHeader.ImageBase])
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else
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if (NtHeaders64 <> nil) and (NtHeaders64^.OptionalHeader.ImageBase <> ModuleBase) then
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ImageBaseStr := Format('<%.8x> ', [NtHeaders64^.OptionalHeader.ImageBase])
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else
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ImageBaseStr := StrRepeat(' ', 11);
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if VersionResourceAvailable(ModuleName) then
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with TJclFileVersionInfo.Create(ModuleName) do
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try
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DetailsMemo.Lines.Add(ImageBaseStr + BinFileVersion + ' - ' + FileVersion);
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if FileDescription <> '' then
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DetailsMemo.Lines.Add(StrRepeat(' ', 11) + FileDescription);
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finally
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Free;
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end
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else
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DetailsMemo.Lines.Add(ImageBaseStr + RsMissingVersionInfo);
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end;
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NextDetailBlock;
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end;
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// Active controls
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if (FLastActiveControl <> nil) then
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begin
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DetailsMemo.Lines.Add(RsActiveControl);
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C := FLastActiveControl;
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while C <> nil do
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begin
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DetailsMemo.Lines.Add(Format('%s "%s"', [C.ClassName, C.Name]));
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C := C.Parent;
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end;
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NextDetailBlock;
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end;
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finally
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SL.Free;
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end;
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end;
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//--------------------------------------------------------------------------------------------------
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procedure TExceptionDialogMail.DetailsBtnClick(Sender: TObject);
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begin
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DetailsVisible := not DetailsVisible;
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end;
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//--------------------------------------------------------------------------------------------------
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class procedure TExceptionDialogMail.ExceptionHandler(Sender: TObject; E: Exception);
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begin
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if ExceptionShowing then
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Application.ShowException(Exception(E))
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else if Assigned(E) and not IsIgnoredException(E.ClassType) then
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begin
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ExceptionShowing := True;
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try
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ShowException(E, nil);
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finally
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ExceptionShowing := False;
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end;
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end;
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end;
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//--------------------------------------------------------------------------------------------------
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class procedure TExceptionDialogMail.ExceptionThreadHandler(Thread: TJclDebugThread);
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begin
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if ExceptionShowing then
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begin
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if Thread.SyncException is EXception then
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Application.ShowException(Exception(Thread.SyncException));
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end
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else
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begin
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ExceptionShowing := True;
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try
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ShowException(Thread.SyncException, Thread);
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finally
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ExceptionShowing := False;
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end;
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end;
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end;
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//--------------------------------------------------------------------------------------------------
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procedure TExceptionDialogMail.FormCreate(Sender: TObject);
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begin
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FSimpleLog := TJclSimpleLog.Create('filename.log');
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FFullHeight := ClientHeight;
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DetailsVisible := False;
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Caption := Format(RsAppError, [Application.Title]);
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end;
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//--------------------------------------------------------------------------------------------------
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procedure TExceptionDialogMail.FormDestroy(Sender: TObject);
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begin
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FreeAndNil(FSimpleLog);
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end;
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//--------------------------------------------------------------------------------------------------
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procedure TExceptionDialogMail.FormKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
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begin
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if (Key = Ord('C')) and (ssCtrl in Shift) then
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begin
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CopyReportToClipboard;
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MessageBeep(MB_OK);
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end;
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end;
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//--------------------------------------------------------------------------------------------------
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procedure TExceptionDialogMail.FormPaint(Sender: TObject);
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begin
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DrawIcon(Canvas.Handle, TextLabel.Left - GetSystemMetrics(SM_CXICON) - 15,
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TextLabel.Top, LoadIcon(0, IDI_ERROR));
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end;
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//--------------------------------------------------------------------------------------------------
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procedure TExceptionDialogMail.FormResize(Sender: TObject);
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begin
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UpdateTextLabelScrollbars;
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end;
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//--------------------------------------------------------------------------------------------------
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procedure TExceptionDialogMail.FormShow(Sender: TObject);
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begin
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BeforeCreateDetails;
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MessageBeep(MB_ICONERROR);
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if (GetCurrentThreadId = MainThreadID) and (GetWindowThreadProcessId(Handle, nil) = MainThreadID) then
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PostMessage(Handle, UM_CREATEDETAILS, 0, 0)
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else
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CreateReport;
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end;
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//--------------------------------------------------------------------------------------------------
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function TExceptionDialogMail.GetReportAsText: string;
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begin
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Result := StrEnsureSuffix(AnsiCrLf, TextLabel.Text) + AnsiCrLf + DetailsMemo.Text;
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end;
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//--------------------------------------------------------------------------------------------------
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procedure TExceptionDialogMail.NextDetailBlock;
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begin
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DetailsMemo.Lines.Add(StrRepeat(ReportNewBlockDelimiterChar, ReportMaxColumns));
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end;
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//--------------------------------------------------------------------------------------------------
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function TExceptionDialogMail.ReportNewBlockDelimiterChar: Char;
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begin
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Result := '-';
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end;
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//--------------------------------------------------------------------------------------------------
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procedure TExceptionDialogMail.ReportToLog;
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begin
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FSimpleLog.WriteStamp(ReportMaxColumns);
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try
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FSimpleLog.Write(ReportAsText);
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finally
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FSimpleLog.CloseLog;
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end;
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end;
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//--------------------------------------------------------------------------------------------------
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procedure TExceptionDialogMail.SetDetailsVisible(const Value: Boolean);
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var
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DetailsCaption: string;
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begin
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FDetailsVisible := Value;
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DetailsCaption := Trim(StrRemoveChars(DetailsBtn.Caption, ['<', '>']));
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if Value then
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begin
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Constraints.MinHeight := FNonDetailsHeight + 100;
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Constraints.MaxHeight := Screen.Height;
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DetailsCaption := '<< ' + DetailsCaption;
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ClientHeight := FFullHeight;
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DetailsMemo.Height := FFullHeight - DetailsMemo.Top - 3;
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end
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else
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begin
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FFullHeight := ClientHeight;
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DetailsCaption := DetailsCaption + ' >>';
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if FNonDetailsHeight = 0 then
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begin
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ClientHeight := BevelDetails.Top;
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FNonDetailsHeight := Height;
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end
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else
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Height := FNonDetailsHeight;
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Constraints.MinHeight := FNonDetailsHeight;
|
|
Constraints.MaxHeight := FNonDetailsHeight
|
|
end;
|
|
DetailsBtn.Caption := DetailsCaption;
|
|
DetailsMemo.Enabled := Value;
|
|
end;
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
class procedure TExceptionDialogMail.ShowException(E: TObject; Thread: TJclDebugThread);
|
|
begin
|
|
if ExceptionDialogMail = nil then
|
|
ExceptionDialogMail := TExceptionDialogMailClass.Create(Application);
|
|
try
|
|
with ExceptionDialogMail do
|
|
begin
|
|
if Assigned(Thread) then
|
|
FThreadID := Thread.ThreadID
|
|
else
|
|
FThreadID := MainThreadID;
|
|
FLastActiveControl := Screen.ActiveControl;
|
|
if E is Exception then
|
|
TextLabel.Text := AdjustLineBreaks(StrEnsureSuffix('.', Exception(E).Message))
|
|
else
|
|
TextLabel.Text := AdjustLineBreaks(StrEnsureSuffix('.', E.ClassName));
|
|
UpdateTextLabelScrollbars;
|
|
DetailsMemo.Lines.Add(Format(RsExceptionClass, [E.ClassName]));
|
|
if E is Exception then
|
|
DetailsMemo.Lines.Add(Format(RsExceptionMessage, [StrEnsureSuffix('.', Exception(E).Message)]));
|
|
if Thread = nil then
|
|
DetailsMemo.Lines.Add(Format(RsExceptionAddr, [ExceptAddr]))
|
|
else
|
|
DetailsMemo.Lines.Add(Format(RsThread, [Thread.ThreadInfo]));
|
|
NextDetailBlock;
|
|
ShowModal;
|
|
end;
|
|
finally
|
|
FreeAndNil(ExceptionDialogMail);
|
|
end;
|
|
end;
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
procedure TExceptionDialogMail.UMCreateDetails(var Message: TMessage);
|
|
begin
|
|
Update;
|
|
CreateDetails;
|
|
end;
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
procedure TExceptionDialogMail.UpdateTextLabelScrollbars;
|
|
begin
|
|
Canvas.Font := TextLabel.Font;
|
|
if TextLabel.Lines.Count * Canvas.TextHeight('Wg') > TextLabel.ClientHeight then
|
|
TextLabel.ScrollBars := ssVertical
|
|
else
|
|
TextLabel.ScrollBars := ssNone;
|
|
end;
|
|
|
|
//==================================================================================================
|
|
// Exception handler initialization code
|
|
//==================================================================================================
|
|
|
|
var
|
|
AppEvents: TApplicationEvents = nil;
|
|
|
|
procedure InitializeHandler;
|
|
begin
|
|
if AppEvents = nil then
|
|
begin
|
|
AppEvents := TApplicationEvents.Create(nil);
|
|
AppEvents.OnException := TExceptionDialogMail.ExceptionHandler;
|
|
|
|
|
|
|
|
JclStackTrackingOptions := JclStackTrackingOptions + [stRawMode];
|
|
JclStackTrackingOptions := JclStackTrackingOptions + [stStaticModuleList];
|
|
JclStackTrackingOptions := JclStackTrackingOptions + [stDelayedTrace];
|
|
JclDebugThreadList.OnSyncException := TExceptionDialogMail.ExceptionThreadHandler;
|
|
JclStartExceptionTracking;
|
|
if HookTApplicationHandleException then
|
|
JclTrackExceptionsFromLibraries;
|
|
end;
|
|
end;
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
procedure UnInitializeHandler;
|
|
begin
|
|
if AppEvents <> nil then
|
|
begin
|
|
FreeAndNil(AppEvents);
|
|
JclDebugThreadList.OnSyncException := nil;
|
|
JclUnhookExceptions;
|
|
JclStopExceptionTracking;
|
|
end;
|
|
end;
|
|
|
|
//--------------------------------------------------------------------------------------------------
|
|
|
|
initialization
|
|
InitializeHandler;
|
|
|
|
finalization
|
|
UnInitializeHandler;
|
|
|
|
end.
|