Graphics.RotateTransform不起作用 [英] Graphics.RotateTransform not working

问题描述

 位图img =（位图）Properties.Resources.myBitmap 。克隆（）; 
图形g = Graphics.FromImage（img）; 
 g.RotateTransform（45）; 
 pictureBox1.Image = img; 
  

显示图片，但不会旋转。

尝试使用 g.DrawImage（...） 请看这里来显示图片，而不是

I'm not sure why it's not working...

    Bitmap img = (Bitmap)Properties.Resources.myBitmap.Clone();
    Graphics g = Graphics.FromImage(img);
    g.RotateTransform(45);
    pictureBox1.Image = img;

The image is displayed, but it is not rotated.

解决方案

You are rotating the graphics interface, but not using it to draw the image. The picturebox control is quite simple, and may not be your friend here.

Try using g.DrawImage(...) see here to display the image instead

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