Implement Undo method

[Pasan148]

I have use Text box to my project and i want to implement Undo method of the textbox. When i check CanUndo property of the textbox it always return false. somebody tell me how can i enable undo method to my textbox.

[Dave Kreskowiak]

It helps to read the documentation on the TextBox class. Undo has already been implemented. CanUndo tells you if the last operation the user did in the TextBox can be undone or not. It does NOT enable or disable the Undo functionality of the TextBox. In whatever code you have that lets the user command an undo, you have to check the CanUndo property of the TextBox and then, if true, call the Undo method of the TextBox. You would also look into calling the ClearUndo method if appropriate in your situation.

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Dave Kreskowiak Microsoft MVP Visual Developer - Visual Basic
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