请问 Bitmap myBitmap = new Bitmap(apfPath);
Graphics g = pBShowPicture.CreateGraphics();
//放大
Rectangle expansionRectangle = new Rectangle(400, 10, myBitmap.Width * 2, myBitmap.Height * 2);
g.DrawImage(myBitmap, expansionRectangle);
这些代码怎么不管用,是不是我没把绘完的图显示在pictureBox中, 如何显示? 谢谢。
Graphics g = pBShowPicture.CreateGraphics();
//放大
Rectangle expansionRectangle = new Rectangle(400, 10, myBitmap.Width * 2, myBitmap.Height * 2);
g.DrawImage(myBitmap, expansionRectangle);
这些代码怎么不管用,是不是我没把绘完的图显示在pictureBox中, 如何显示? 谢谢。
private void pictureBox1_Paint(object sender, PaintEventArgs e)
{ Graphics g = e.Graphics;
//放大
Rectangle expansionRectangle = new Rectangle(10, 10, myBitmap.Width * 2, myBitmap.Height * 2);
g.DrawImage(myBitmap, expansionRectangle); }