WPF: How do I prevent users from entering text in a Textbox data bound to a numeric property?

WPF: How do I prevent users from entering text in a开发者_StackOverflow Textbox data bound to a numeric property?

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The standard validation will handle this...

You can also use a Behavior or attached property to override TextBox's input to prevent non-numeric numbers from being entered. Here is a sample behavior that does this.