Defines the beginning of an undo action. It can be used, if more than one property or method call is to be defined as a single undo action. All property and/or method calls between StartUndoAction and EndUndoAction define a single undo action.
Introduced: 11.0.
TXTextControl.StartUndoAction
<< TXTextControl.SpellCheckText Event | >> TXTextControl.StatusBarHandle Property