public GlesBackingOption BackingOption { get; set; }
public GlesContext Context { get; set; }
public GlesDepthFormat DepthFormat { get; set; }
public GlesMultisampling Multisampling { get; set; }
public GlesStencilFormat StencilFormat { get; set; }

 public double ContentsScale { get; ---set;--- }

 [Obsolete ("Use SKPaintGLSurfaceEventArgs(SKSurface, GRBackendRenderTarget, SKColorType, GRSurfaceOrigin) instead.")]
 public SKPaintGLSurfaceEventArgs (SkiaSharp.SKSurface surface, SkiaSharp.GRBackendRenderTargetDesc renderTarget);

public SKPaintGLSurfaceEventArgs (SkiaSharp.SKSurface surface, SkiaSharp.GRBackendRenderTarget renderTarget);
public SKPaintGLSurfaceEventArgs (SkiaSharp.SKSurface surface, SkiaSharp.GRBackendRenderTarget renderTarget, SkiaSharp.GRSurfaceOrigin origin, SkiaSharp.SKColorType colorType);

 [Obsolete ("Use BackendRenderTarget instead.")]
 public SkiaSharp.GRBackendRenderTargetDesc RenderTarget { get; }

public SkiaSharp.GRBackendRenderTarget BackendRenderTarget { get; }
public SkiaSharp.SKColorType ColorType { get; }
public SkiaSharp.GRSurfaceOrigin Origin { get; }

protected override Windows.Foundation.Size ArrangeOverride (Windows.Foundation.Size finalSize);