TdxRichEditControlUndo Class
An action object that corresponds to the Undo command provided by the Rich Edit control.
Declaration
TdxRichEditControlUndo = class(
TdxRichEditControlAction
)
Remarks
This class does not introduce any new public members. Executing a TdxRichEditControlUndo
action object cancels the last change applied to the active document’s content.
UI elements linked to a TdxRichEditControlUndo
action object, are enabled only if the following conditions are met:
- The Rich Edit control’s ReadOnly property is set to
False
. - The Rich Edit control’s Options.DocumentCapabilities.Undo property is set to TdxDocumentCapability.Default or TdxDocumentCapability.Enabled.
- There is at least one action in the undo action stack.
Inheritance
See Also