如何在Windows負象限繪製矩形形狀C＃

Question

我想提請負象限（左和原點的頂側）的矩形...任何幫助，請

Answer 1

只需使用負數爲X和Y位置。

Graphics.DrawRectangle(Pens.Black, -100, -100, 100, 100); 

Answer 2

Rectangle original = new Rectangle(10,10,50,50); 
Rectangle negative = new Rectangle(original.Location.X - (original.Width * 2), original.Location.Y - (original.Height * 2), original.Width, original.Height);