日期:2014-05-20  浏览次数:20815 次

picturebox 加载了一个图片后,如何在上面画线,如何合并图和画线的结果
如题

------解决方案--------------------
private void button1_Click(object sender, EventArgs e)
{
Graphics vGraphics = Graphics.FromImage(pictureBox1.Image);
vGraphics.DrawLine(Pens.Blue, new Point(0, 0), new Point(100, 16));
pictureBox1.Invalidate();

pictureBox1.Image.Save(@ "c:\temp\temp.bmp ");
}

------解决方案--------------------
一楼正解。。接分