## OneColorGradient(*[GradientStyle](../../Gradientstyle/), [GradientVariant](../../Gradientvariant/), double*) {#onecolorGradient} Sets the specified fill to a one-color Gradient. ```csharp public......specified fill to a one-color gradient. ```csharp public void On...style | GradientStyle | The gradient style [`GradientStyle`](....