Unit 'Controls' Package
[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] [#lcl]

TWinControl.KeyDownBeforeInterface

Allows the application, parent forms, or control to handle key preview before the LCL interface.

Declaration

Source position: controls.pp line 2271

protected procedure TWinControl.KeyDownBeforeInterface(

  var Key: Word;

  Shift: TShiftState

); virtual;

Arguments

Key

  

Numeric key code examined in the method.

Shift

  

Shift, Ctrl, or Alt modifier for the key.
Version 4.4 Generated 2025-11-08 Home