public static NSImage GetBackgroundImage(this NSView control, Brush brush)
{
if (control == null || brush == null || brush.IsEmpty)
{
return(null);
}
var backgroundLayer = control.GetBackgroundLayer(brush);
if (backgroundLayer == null)
{
return(null);
}
NSImage backgroundImage = new NSImage(new CGSize(backgroundLayer.Bounds.Width, backgroundLayer.Bounds.Height));
backgroundImage.LockFocus();
var context = NSGraphicsContext.CurrentContext.GraphicsPort;
backgroundLayer.RenderInContext(context);
backgroundImage.UnlockFocus();
return(backgroundImage);
}