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Docs > WPF Controls > Controls and Libraries > Data Editors > Common Features > Masked Input > Beeping on Error
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V17.2
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API Reference

Beeping on Error

For all mask types the TextEdit.MaskBeepOnError property is available. Set this property to true to enable beeping when an end-user tries to type an invalid character. Suppose a mask of Numeric type is used. In such cases, an editor will produce a beep sound each time an end-user tries to type a non-numeric character.