如何在 Silverlight 中创建数字文本框? [英] How to create a numeric textbox in Silverlight?

问题描述

正如标题所说的那样.我看过从 TextBox 继承，但唯一合理的覆盖是OnKeyDown"，但这只是给我一个来自 Key 枚举的键(无法使用 Char.IsNumeric()).

As the title says really. I've had a look at inheriting from TextBox, but the only sensible override was "OnKeyDown", but that just gives me a key from the Key enum (with no way to use Char.IsNumeric()).

推荐答案

查看 Toolkit 中的 NumericUpDown http://codeplex.com/Silverlight，也许您可​​以使用它或查看源代码来实现您自己的数字文本框.

Take a look at NumericUpDown in the Toolkit http://codeplex.com/Silverlight and maybe you can use that or look at the source to implement your own numeric textbox.

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