TextBox

禁用输入法

InputMethod.IsInputMethodEnabled=”False”

<TextBox Name="TBoxIp" PreviewTextInput="TBoxIp_PreviewTextInput" InputMethod.IsInputMethodEnabled="False" Width="284"  />

限制输入的字符

<TextBox Name="TBoxIp" PreviewTextInput="TBoxIp_PreviewTextInput" InputMethod.IsInputMethodEnabled="False" Width="284"  />

private void TBoxIp_PreviewTextInput(object sender, TextCompositionEventArgs e)
{
    Regex re = new Regex("[^0-9.-]+");
    e.Handled = re.IsMatch(e.Text);
}