protected override void CreateResources()
{
_sceneBrush = RenderTarget.CreateSolidColorBrush(Color.Black);
// Background grid brush
var bitmapTarget = RenderTarget.CreateCompatibleRenderTarget(new SizeF(10, 10));
var gridBrush = bitmapTarget.CreateSolidColorBrush(new ColorF(.93f, .94f, .96f));
bitmapTarget.BeginDraw();
bitmapTarget.FillRectangle(RectangleF.FromLTRB(0, 0, 10, 1), gridBrush);
bitmapTarget.FillRectangle(RectangleF.FromLTRB(0, 0, 1, 10), gridBrush);
bitmapTarget.EndDraw().ThrowIfFailed();
IBitmap bitmap = bitmapTarget.GetBitmap();
_gridPatternBrush = RenderTarget.CreateBitmapBrush(bitmap, new BitmapBrushProperties(ExtendMode.Wrap, ExtendMode.Wrap));
// Gradient brush
Span <GradientStop> stops = stackalloc[]
{
new GradientStop(0.0f, Color.Gold),
new GradientStop(0.85f, new ColorF(Color.Orange, 0.8f)),
new GradientStop(1.0f, new ColorF(Color.OrangeRed, 0.7f))
};
_radialGradientBrush = RenderTarget.CreateRadialGradientBrush(
new RadialGradientBrushProperties(new PointF(330, 330), new PointF(140, 140), 140, 140),
RenderTarget.CreateGradienStopCollection(stops));
}
public static IBitmapBrush CreateRef(this IBitmapBrush objectRef) => ((IBitmapBrush)objectRef.CreateRef(typeof(IBitmapBrush)));
