nmcnew / simplecalc Goto Github PK

In your article you mentioned having to write a unique method for every button, but that's not really necessary, just change the code to:

        private void button_Click(object sender, RoutedEventArgs e)
        {
            append((sender as Button).Content.ToString());
        }

Then you can use the same method for all the buttons. If you don't want to use the button Content you can set the Tag property in the XAML and then read it in the code the same way.

Also, to simplify the XAML, the button names aren't required, you can remove those. You could also get rid of the repeated Margin=0 code and repeated setting of the same Click handler by adding (right before "<Grid>"):

    <Window.Resources>
        <Style TargetType="{x:Type Button}">
            <Setter Property="Margin"  Value="0" />
            <EventSetter Event="Click" Handler="button_Click" />
        </Style>
    </Window.Resources>

Which may not seem worth it, but you can extend this to do many other things (e.g. setting a background graphic, changing font, ...)