How to detect clipboard change
Detecting clipboard change is very similar to detecting system time change.
We will detect WM_DRAWCLIPBOARD system message.
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unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs; type TForm1 = class(TForm) procedure FormCreate(Sender: TObject); private { Private declarations } public { Public declarations } procedure ClipBoardChanged(var Message: TMessage); message WM_DRAWCLIPBOARD; end; var Form1: TForm1; implementation {$R *.dfm} procedure TForm1.ClipBoardChanged(var Message: TMessage); begin ShowMessage('Clipboard changed!'); end; procedure TForm1.FormCreate(Sender: TObject); begin SetClipboardViewer(Handle); end; end. |