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Reference for unit 'Controls' (#lcl)

TWinControl.WMDestroy

Handler for widget destroyed message; clears the Handle.

Declaration

Source position: controls.pp line 2231

protected procedure TWinControl.WMDestroy(

var Message: TLMDestroy

); message;

Message

LM_DESTROY window message which triggered the handler.

Sets Handle to the unassigned value (0) when the windowed control no longer exists.

Version 3.2

Generated 2024-02-25