Rounded Corners in C# windows forms [duplicate]

Answer 1

I found this code

To come up with the rounded corners textbox, I started trying to work with the paint override event, but unfortunately without any result, which is due to the fact (I assume) that the textbox is derived from Windows. Therefore, I tried overriding the WM_PAINT API instead, which had the desired results

http://www.codeproject.com/Articles/17453/Textbox-with-rounded-corners

Thanks