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...detect a Mouse Click on the Caption of a form?
Autor: Thomas Stutz
[ Print tip ]  

Tip Rating (14):  
     


private
  procedure 
WMNCRBUTTONDOWN(var msg: TMessage); message WM_NCRBUTTONDOWN;
  procedure WMNCLBUTTONDOWN(var msg: TMessage); message WM_NCLBUTTONDOWN;
  procedure WMNCLBUTTONDBLCLK(var msg: TMessage); message WM_NCLBUTTONDBLCLK;
end;



implementation


procedure 
TForm1.WMNCRBUTTONDOWN(var msg: TMessage);
begin
  if 
msg.wParam = HTCAPTION then Caption := 'Right Click!';
  // Message.Result := 0; {to ignore the message}
  
inherited;
end;

procedure TForm1.WMNCLBUTTONDOWN(var msg: TMessage);
begin
  if 
msg.wParam = HTCAPTION then Caption := 'Left Click!';
  // Message.Result := 0; {to ignore the message}
  
inherited;
end;

procedure TForm1.WMNCLBUTTONDBLCLK(var msg: TMessage);
begin
  if 
msg.wParam = HTCAPTION then Caption := 'Double Click!';
  // Message.Result := 0; {to ignore the message}
  
inherited;
end;



 

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