TdxRichEditControlBase.CanUndo Method
Returns a value indicating whether the Undo command is currently available to end-users.
Declaration
function CanUndo: Boolean;Returns
| Type |
|---|
| Boolean |
Remarks
If this function returns True, an end-user can execute the Undo command; otherwise – False.
The Undo command is available only if all following conditions are met:
The action history functionality is enabled;
At least a single action is performed within the current document (note that each execution of the Undo command moves an action from the undo to redo action list).
See Also