/// <summary>
/// 验证控件输入键盘事件之后是否为数字
/// </summary>
/// <param name="e">控件输入的键盘事件</param>
/// <returns></returns>
public bool ValidateNumeric(KeyPressEventArgs e)
{
do
{
if (e.KeyChar == (char)Keys.Back)
{
e.Handled = false;
break;
}
if (!e.KeyChar.IsNumeric())
{
e.Handled = true;
break;
}
string newString = this.ClcNewText(e.KeyChar);
e.Handled = !RegexCheck.IsDecimalInputing(newString);
} while (false);
return(!e.Handled);
}