private void Button_Click(object sender, RoutedEventArgs e) { var ofd = new OpenFileDialog(); ofd.Filter = "All Supported Files|*.code;*.pck|Font Code|*.code|PCK Archive|*.pck"; if (ofd.ShowDialog() == true) { LoadFile(ofd.FileName); var image = FontCodeFile.RenderFont(FontImageTexFile, " " + UI_TestTextBox.Text); UI_FontTest.Source = ImageTools.ConvertToSource(image); } }