public static async Task Render(this WriteableBitmap wb, FrameworkElement fe)
 {
     var ms = RenderToStream(fe);
     var msrandom = new MemoryRandomAccessStream(ms);
     await wb.SetSourceAsync(msrandom);
 }
 public static async Task Render(this WriteableBitmap wb, FrameworkElement fe)
 {
     var ms       = RenderToStream(fe);
     var msrandom = new MemoryRandomAccessStream(ms);
     await wb.SetSourceAsync(msrandom);
 }