Create a non-rectangular shaped windows form application

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C#

Windows

VS2010

form

Hi all,

I want to create a windows form, which should not have casual rectangular in shape.
Instead it should have the Shape[^]
I tried to create ellipsis shape for my window and succeeded by using the below code snippet

GraphicsPath path = new GraphicsPath();
path.AddEllipse(0,0,this.Width,this.Height);
Region region = new Region(path);  
this.Region = region; 

Is there any way to create either dynamically or at design time?
Design time it will be more helpful, 'Coz I want to place a image in the circle area.

Thanks in advance.