输入验证（允许数字和小数点）

发布于 作者:
// 输入验证（允许数字和小数点）
   private void NumberValidation(object sender, TextCompositionEventArgs e)
   {
       var textBox = (TextBox)sender;
       var newText = textBox.Text.Insert(textBox.CaretIndex, e.Text);
       e.Handled = !decimal.TryParse(newText,
           System.Globalization.NumberStyles.AllowDecimalPoint,
           System.Globalization.CultureInfo.InvariantCulture,
           out _);
   }

PreviewTextInput=”NumberValidation”