Vcl.OleCtrls.TOleControl.DiscardUndoState

• Up to Parent: TOleControl

Delphi

function DiscardUndoState: HResult; stdcall;

C++

HRESULT __stdcall DiscardUndoState();

Properties

Type	Visibility	Source	Unit	Parent
function	protected	Vcl.OleCtrls.pas Vcl.OleCtrls.hpp	Vcl.OleCtrls	TOleControl

Description

Discards the undo queue for the ActiveX control.

Call DiscardUndoState to clear the undo queue of the ActiveX control contained within the container.

See Also

• OnInPlaceDeactivate

• DeactivateAndUndo