C# 中的数字文本框 - WPF
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时间：2020-08-10 09:40:29 来源:igfitidea点击:
Numeric TextBox in C# - WPF
提问by Kourosh
i want to create a textbox in WPF that only accept numbers... i've reaserched and people say to use keypress event or masked textbox, but they are in windows forms...
我想在 WPF 中创建一个只接受数字的文本框...
回答by Maciek
For WPF:
对于 WPF：
private void textBox1_PreviewTextInput(object sender, TextCompositionEventArgs e)
{
if (!char.IsDigit(e.Text, e.Text.Length - 1))
e.Handled = true;
}
For Windows Forms:
对于 Windows 窗体：
private void textBox1_KeyPress(object sender, KeyPressEventArgs e)
{
if (!char.IsDigit(e.KeyChar) )
e.Handled = true;
}
