WPF:特定输入文本框(用于电话号码等) [英] WPF: Specific input textboxes (for phone numbers and such)

问题描述

我不知道这叫什么，但我确定这有一个名字，并且已经多次完成.

I don't know what this is called, but I'm sure theres a name for this and it has been done multiple times.

我有一些理想情况下只允许特定输入的文本框，例如电话号码、银行帐号和类似内容的框.
例如，电话号码输入应采用以下格式:000-000-0000 但我也希望它接受没有区号的号码，例如:000-0000

I have some textboxes that ideally would only allow specific input, like a box for phone number, bank account numbers and stuff like that.
For instance, a phone number input should be in the following format: 000-000-0000 but I'd also like it to accept a number without an area code like : 000-0000

现在我制作了一个从文本框派生的控件，它只接受数字输入，但我不知道如何让破折号出现在正确的位置，而无需在 TextChanged 事件中进行一些粗暴的修改.

Now I have made a control derived from textbox that accepts only numeric input, but I have no idea how I would get the dashes to appear in the right spots without doing some fugly hacks in the TextChanged event.

我知道这可能已经死了，我试着用谷歌搜索，但我没有正确的词.

I know this has probably been done to death, I tried to google but I didn't have the right words.

推荐答案

你应该使用掩码文本框
有一些免费的开源掩码文本框

You should use mask textboxes
there is some free open source mask textboxes

看这里

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