private static void OnPaste(object sender, DataObjectPastingEventArgs e)
{
if (e.DataObject.GetDataPresent(typeof(string)))
{
if (NumericBehavior.IsTextAllowed((string)e.DataObject.GetData(typeof(string))))
{
return;
}
e.CancelCommand();
}
else
{
e.CancelCommand();
}
}
private static void TextBox_PreviewTextInput(object sender, TextCompositionEventArgs e)
{
e.Handled = !NumericBehavior.IsTextAllowed(e.Text);
}