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Make text editable or read-only

You can control whether users of your Microsoft® Expression Blend™ application can edit the text that is contained within TextBox or RichTextBox objects in the application, or whether the text in those objects is read-only. If you set the text to be editable, you can also specify whether users can undo the last text edit that they performed.

To designate whether text can be edited

1. Select the TextBox or RichTextBox object that you want to format.
2. In the Properties panel, under Common Properties, select or clear one or more of the following:
   • IsReadOnly, to set whether users can edit the text in the object.
   • IsUndoEnabled, to set whether users can press CTRL+Z to undo the last text edit.