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UseColF.pas
Package: delphi.rar [view]
Upload User: fh681027
Upload Date: 2022-07-23
Package Size: 1959k
Code Size: 2k
Category:
Delphi VCL
Development Platform:
Delphi
- unit UseColF;
- interface
- uses
- SysUtils, Windows, Messages, Classes, Graphics, Controls,
- Forms, Dialogs, StdCtrls;
- type
- TForm1 = class(TForm)
- BtnChange: TButton;
- BtnSelect: TButton;
- BtnApp: TButton;
- BtnSync: TButton;
- procedure BtnChangeClick(Sender: TObject);
- procedure BtnSelectClick(Sender: TObject);
- procedure BtnAppClick(Sender: TObject);
- procedure BtnSyncClick(Sender: TObject);
- private
- { Private declarations }
- public
- procedure UserMessage (var Msg: TMessage);
- message wm_user;
- end;
- var
- Form1: TForm1;
- implementation
- {$R *.DFM}
- function GetColor (Col: LongInt): LongInt;
- stdcall; external 'FormDLL.DLL';
- procedure ShowColor (Col: LongInt;
- FormHandle: THandle; MsgBack: Integer);
- stdcall; external 'FormDLL.DLL';
- procedure SyncApp (AppHandle: THandle);
- stdcall; external 'FormDLL.DLL';
- procedure TForm1.BtnChangeClick(Sender: TObject);
- var
- Col: LongInt;
- begin
- Col := ColorToRGB (Color);
- Color := GetColor (Col)
- end;
- procedure TForm1.BtnSelectClick(Sender: TObject);
- var
- Col: LongInt;
- begin
- Col := ColorToRGB (Color);
- ShowColor (Col, Handle, wm_user);
- end;
- procedure TForm1.UserMessage(var Msg: TMessage);
- begin
- Color := Msg.WParam;
- end;
- procedure TForm1.BtnAppClick(Sender: TObject);
- begin
- ShowMessage ('Application Handle: ' +
- IntToStr (Application.Handle));
- end;
- procedure TForm1.BtnSyncClick(Sender: TObject);
- begin
- SyncApp (Application.Handle);
- BtnSync.Enabled := False;
- end;
- end.