public: DependencyProperty MainGridMarginProperty = DependencyProperty.Register( "MainGridMargin", typeof(Thickness), typeof(RibbonWindowBorder), new FrameworkPropertyMetadata( new Thickness(), FrameworkPropertyMetadataOptions.AffectsRender));

public static readonly DependencyProperty MainGridMarginProperty = DependencyProperty.Register( "MainGridMargin", typeof(Thickness), typeof(RibbonWindowBorder), new FrameworkPropertyMetadata( new Thickness(), FrameworkPropertyMetadataOptions.AffectsRender));

Public static readonly MainGridMarginProperty As DependencyProperty = DependencyProperty.Register( "MainGridMargin", typeof(Thickness), typeof(RibbonWindowBorder), new FrameworkPropertyMetadata( new Thickness(), FrameworkPropertyMetadataOptions.AffectsRender))