david
f2dddaa81b
git-svn-id: https://192.168.0.254/svn/Componentes.Terceros.FastReport@13 475b051d-3a53-6940-addd-820bf0cfe0d7
54 lines
1.0 KiB
ObjectPascal
54 lines
1.0 KiB
ObjectPascal
unit TestDLL;
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interface
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uses
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SysUtils, Windows, Messages, Classes, Graphics, Controls,
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Forms, Dialogs, StdCtrls, DB, ExtCtrls, DBTables;
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type
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TShowForm = function(A: TApplication): Bool; StdCall;
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EDLLLoadError = class(Exception);
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TfrmCallDLL = class(TForm)
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Database1: TDatabase;
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btnCallDLL: TButton;
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btnClose: TButton;
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procedure btnCallDLLClick(Sender: TObject);
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procedure btnCloseClick(Sender: TObject);
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end;
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var
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frmCallDLL: TfrmCallDLL;
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implementation
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{$R *.DFM}
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procedure TfrmCallDLL.btnCallDLLClick(Sender: TObject);
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var
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LibHandle: THandle;
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ShowForm: TShowForm;
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begin
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LibHandle := LoadLibrary('RptDLL.DLL');
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try
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if LibHandle = HINSTANCE_ERROR then
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raise EDLLLoadError.Create('Unable to Load DLL');
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@ShowForm := GetProcAddress(LibHandle, 'ShowForm');
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if not (@ShowForm = nil) then
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ShowForm(Application);
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finally
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FreeLibrary(LibHandle);
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end;
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end;
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procedure TfrmCallDLL.btnCloseClick(Sender: TObject);
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begin
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Close;
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end;
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end.
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