我用gdi+画的图能保存下来吗

Question

bm=new Bitmap(700,500);
//创建一个长度为600，宽带为300的Bitmap实例
g=Graphics.FromImage(bm);
//由此Bitmap实例创建Graphic实例
g.Clear(Color.BlanchedAlmond);
bm.Save(sRouter,ImageFormat.Png);

Answer 1

private void SaveBtn_Click(object sender, System.EventArgs e)
{     
      SaveFileDialog saveFileDlg = new SaveFileDialog();
      saveFileDlg.Filter =
      "Image files (*.bmp)|*.bmp|All files (*.*)|*.*" ;      if(saveFileDlg.ShowDialog() == DialogResult.OK)
      {
        Bitmap tmpBitmap = bitmap.Clone
          (new Rectangle(0, 0, this.Width, this.Height),
              bitmap.PixelFormat);
        tmpBitmap.Save(saveFileDlg.FileName,
          ImageFormat.Bmp);
      }
}