Probably a very simple solution to this, but this is the first time using a WPF. I want to click on my MenuItem called "About" from MainWindow's About_Click event and it open my AboutBox.cs form. This is what I have:
<MenuItem Header="About" Name="About" Click="About_Click"/>
private void About_Click(object sender, RoutedEventArgs e)
//This is not in the XAML code.