private void macEntered(object sender, KeyEventArgs e)
{
TextBox box = sender as TextBox;
Regex rxMacAddress = new Regex(@"^[0-9a-fA-F]{2}(((:[0-9a-fA-F]{2}){5})|((:[0-9a-fA-F]{2}){5}))$");
SetupModel sm = (SetupModel)(this.DataContext);
if (e.Key == Key.Return)
{
if ((!rxMacAddress.IsMatch(box.Text) || sm.macRepeated(box.Text.ToString())) && box.Text.Length != 0)
{
Storyboard redFlash = box.TryFindResource("redFlash") as Storyboard;
box.Text = "";
redFlash.Begin(box);
}
else
{
BindingExpression binding = box.GetBindingExpression(TextBox.TextProperty);
Keyboard.ClearFocus();
binding.UpdateSource();
sm.checkMacs();
}
}
}