using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Windows; using System.IO; using System.Windows.Markup; using System.Windows.Media; using System.Windows.Controls; using System.Globalization; namespace CustomWindow { public class WindowMaximizeButton : WindowButton { public WindowMaximizeButton() { // open resource where in XAML are defined icons and colors var resourceStream = Application.GetResourceStream(new Uri("pack://application:,,,/CustomWindow;component/ButtonIcons.xaml")).Stream; var resourceDictionary = (ResourceDictionary)XamlReader.Load(resourceStream); Content = resourceDictionary["WindowButtonMaximizeIcon"]; ContentDisabled = resourceDictionary["WindowButtonMaximizeIconDisabled"]; } } }