System Delphi

//drony@mynet.com
//icq:266148308
uses ClipBrd;
procedure TForm1.Memo1KeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
if ((Key = ord('V')) and (ssCtrl in Shift)) then
begin
if Clipboard.HasFormat(CF_TEXT) then
ClipBoard.Clear;
Memo1.SelText := 'Buraya Yapıştıramazsınız!';
key := 0;
end;
end;