（.NET / C＃/ winforms）在带有图形的表单上绘制时的工件

My objective is to move visual elements drawn using methods of a Graphics object across a Form with no flicker or artifacting (in .NET 3.5). I can successfully achieve flickerless movement by either using automatic double buffering (setting the Form's DoubleBuffered property to true) or implementing a back-buffer myself. I am however struggling to find a way to use either method without clearly visible artifacts showing.My objective is to move visual elements drawn u