[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'Controls' (#lcl)

TControl.MouseDown

Handler for MouseDown events.

Declaration

Source position: controls.pp line 1321

protected procedure TControl.MouseDown(

  Button: TMouseButton;

  Shift: TShiftState;

  X: Integer;

  Y: Integer

); virtual;

Arguments

Button

  

which buttons are down

Shift

  

which of Ctrl, Shift or Alt keys are also pressed

X

  

Mouse position in client coordinates.

Description

Called by the MouseDown message handler. Handles Focus changes, notifies the DragManager while dragging. Finally calls the TControl.OnMouseDown handler.