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Reference for unit 'Controls' (#lcl)

TWinControl.MainWndProc

The message handler loop for the control.

Declaration

Source position: controls.pp line 2311

protected procedure TWinControl.MainWndProc(

var Msg: TLMessage

);

Msg

Message handled in the method.

Used for controls which need features not yet supported by the LCL. MainWndProc has an empty implementation in TWinControl.