Versuch:
Delphi-Quellcode:
procedure TForm1.Image1Click(Sender: TObject);
begin
DblClick:=false;
Sleep(GetDoubleClickTime);
Application.ProcessMessages;
if not DblClick then ShowMessage('click');
end;
procedure TForm1.Image1DblClick(Sender: TObject);
begin
ShowMessage('dblclick');
DblClick:=true;
end;
oder ändere
DoubleClickTime
function SetDoubleClickTime(Count: Word);