private void TextBox_PastingValidation(object sender, DataObjectPastingEventArgs e)
{
if (!e.DataObject.GetDataPresent(typeof(string)))
{
e.CancelCommand();
}
if (NaNPattern.IsMatch((string)e.DataObject.GetData(typeof(string))))
{
e.CancelCommand();
}
}
private void TextBox_NumberValidation(object sender, TextCompositionEventArgs e)
{
e.Handled = NaNPattern.IsMatch(e.Text);
}
