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I want to add validation to the UXTextBox using the IDataErrorInfo Interface. My question is when the window is initialized the error info will appears two overlapping red box over the UXTextBox(see the attachments 2.png).
And when I type some in the UXTextBox to insure to pass the validation, one red box disappered and the other overlapping red box is still there(see the attachments 3.png).
What is the correct setting to use Validation feature?
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