HRESULT ID2D1RenderTarget::CreateRadialGradientBrush([In] const D2D1_RADIAL_GRADIENT_BRUSH_PROPERTIES* radialGradientBrushProperties,[In, Optional] const D2D1_BRUSH_PROPERTIES* brushProperties,[In] ID2D1GradientStopCollection* gradientStopCollection,[Out, Fast] ID2D1RadialGradientBrush** radialGradientBrush)
public RadialGradientBrush CreateRadialGradientBrush(ref RadialGradientBrushProperties radialGradientBrushProperties, BrushProperties? brushProperties, GradientStopCollection gradientStopCollection)