unit AlphaBlendingDialog; interface uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, ComCtrls, ExtCtrls; type TfmAlphaBlendingDailog = class(TForm) btnClose: TButton; Panel1: TPanel; RichEdit1: TRichEdit; procedure btnCloseClick(Sender: TObject); private { Private declarations } public { Public declarations } end; var fmAlphaBlendingDailog: TfmAlphaBlendingDailog; implementation {$R *.dfm} procedure TfmAlphaBlendingDailog.btnCloseClick(Sender: TObject); begin Close; end; end.