void GDIPlusButton_Click(object sender, RoutedEventArgs e)
 {
     v = new GDIMatrixView(false);
     InitView();
 }
 void ExtTextOutButton_Click(object sender, RoutedEventArgs e)
 {
     v = new ExtTextOutMatrixView();
     InitView();
 }
 void FormattedTextButton_Click(object sender, RoutedEventArgs e)
 {
     v = new FormattedTextMatrixView();
     InitView();
 }
 void TextLineButton_Click(object sender, RoutedEventArgs e)
 {
     v = new TextLineMatrixView();
     InitView();
 }
 void Direct2DButton_Click(object sender, RoutedEventArgs e)
 {
     v = new Direct2DTextMatrixView();
     InitView();
 }
 void ExtTextOutButton_Click(object sender, RoutedEventArgs e)
 {
     v = new ExtTextOutMatrixView();
     InitView();
 }
 void GlyphRunButton_Click(object sender, RoutedEventArgs e)
 {
     v = new GlyphMatrixView();
     InitView();
 }
 void GDIPlusButton_Click(object sender, RoutedEventArgs e)
 {
     v = new GDIMatrixView(false);
     InitView();
 }
 void Direct2DButton_Click(object sender, RoutedEventArgs e)
 {
     v = new Direct2DTextMatrixView();
     InitView();
 }
 void TextBlockButton_Click(object sender, RoutedEventArgs e)
 {
     v = new TextBlockMatrixView();
     InitView();
 }
 void FormattedTextButton_Click(object sender, RoutedEventArgs e)
 {
     v = new FormattedTextMatrixView();
     InitView();
 }
 void GlyphRunButton_Click(object sender, RoutedEventArgs e)
 {
     v = new GlyphMatrixView();
     InitView();
 }