private void save_Click(object sender, EventArgs e)
{
if (BitmapByHandle == null)
{
return;
}
SaveFileDialog saveDlg = new SaveFileDialog();
saveDlg.Title = "保存为";
saveDlg.OverwritePrompt = true;
saveDlg.Filter =
"BMP文件 (*.bmp) | *.bmp|" +
"Gif文件 (*.gif) | *.gif|" +
"JPEG文件 (*.jpg) | *.jpg|" +
"PNG文件 (*.png) | *.png";
saveDlg.ShowHelp = true;
if (saveDlg.ShowDialog() == DialogResult.OK)
{
string fileName = saveDlg.FileName;
string strFilExtn = fileName.Remove(0, fileName.Length - 3);
switch (strFilExtn)
{
case "bmp":
BitmapByHandle.Save(fileName, System.Drawing.Imaging.ImageFormat.Bmp);
break;
case "jpg":
BitmapByHandle.Save(fileName, System.Drawing.Imaging.ImageFormat.Jpeg);
break;
case "gif":
BitmapByHandle.Save(fileName, System.Drawing.Imaging.ImageFormat.Gif);
break;
case "tif":
BitmapByHandle.Save(fileName, System.Drawing.Imaging.ImageFormat.Tiff);
break;
case "png":
BitmapByHandle.Save(fileName, System.Drawing.Imaging.ImageFormat.Png);
break;
default:
break;
}
}
}
