WPF屏蔽的文本框，其值不包含掩码 [英] WPF Masked Textbox with a value that does not contain mask

问题描述

我需要一个WPF文本框，其中显示的电话号码为(555)555-5555"，但其值为"5555555555".

I need a WPF Textbox that displays a phone number as "[phone]" but has a value of "5555555555".

我看到的所有示例都能够掩盖UI上的控件，但这会影响我的视图模型的bound属性，从而使属性值具有多余的()-字符.

All of the examples I'm seeing have the ability to mask the control on the UI but that affects the bound property of my view model so that the property value has the extraneous ()- characters.

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