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

TDragManager.KeyDown

Handler for keyboard key pressed.

Declaration

Source position: controls.pp line 635

protected procedure TDragManager.KeyDown(

  var Key: Word;

  Shift: TShiftState

); virtual; abstract;

Arguments

Key

  

Virtual key code for the key down event.

Shift

  

Shift, Ctrl, or Alt modifier for the key up event.

Description

When (and while) the Ctrl key is pressed, dropping is disabled. The Esc key aborts the current dragging operation immediately.

Version 4.0 Generated 2025-05-03 Home