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RadMaskedInputBaseHandleBackKeyWithMaskSelected Method
Process the input when Backspace has been pressed, the mask in not "" and there is a selection.

Namespace: Telerik.Windows.Controls
Assembly: Telerik.Windows.Controls.Input (in Telerik.Windows.Controls.Input.dll) Version: 2018.1.116.40 (2018.1.116.40)
Syntax
protected virtual void HandleBackKeyWithMaskSelected()
See Also