TdxGPCanvas.FillRectangleByGradient Method Name FillRectangleByGradient(TdxRectF,TdxAlphaColor,TdxAlphaColor,TdxGpLinearGradientMode) FillRectangleByGradient(TRect,TdxAlphaColor,TdxAlphaColor,TdxGpLinearGradientMode)