1 private void btnSave_Click(object sender, EventArgs e)
2 {
3 SaveFileDialog sfd = new SaveFileDialog();
4 sfd.Filter = "BMP (*.bmp)|*.bmp|GIF (*.gif)|*.gif|JPG (*.jpg)|*.jpg|PNG (*.png)|*.png|TIFF (*.tif)|*.tif";
5 sfd.AddExtension = true;
6 if (sfd.ShowDialog() == DialogResult.OK)
7 {
8 SaveTypes savetype = SaveTypes.UNSPECIFIED;
9 switch (sfd.FilterIndex)
10 {
//图片格式
11 case 1: savetype = SaveTypes.BMP; break;
12 case 2: savetype = SaveTypes.GIF; break;
13 case 3: savetype = SaveTypes.JPG; break;
14 case 4: savetype = SaveTypes.PNG; break;
15 case 5: savetype = SaveTypes.TIFF; break;
16 default: break;
17 }
18 SaveImage(sfd.FileName, savetype, barcode.Image);
19 }
20 }
public enum SaveTypes : int { JPG, BMP, PNG, GIF, TIFF, UNSPECIFIED }
1 public void SaveImage(string Filename, SaveTypes FileType, Image image)
2 {
3 try
4 {
5 if (image != null)
6 {
7 ImageFormat imageformat;
8 switch (FileType)
9 {
10 case SaveTypes.BMP: imageformat = ImageFormat.Bmp; break;
11 case SaveTypes.GIF: imageformat = ImageFormat.Gif; break;
12 case SaveTypes.JPG: imageformat = ImageFormat.Jpeg; break;
13 case SaveTypes.PNG: imageformat = ImageFormat.Png; break;
14 case SaveTypes.TIFF: imageformat = ImageFormat.Tiff; break;
15 default: imageformat = ImageFormat.Bmp; break;
16 }
17 ((Bitmap)image).Save(Filename, imageformat);
18 }
19 }
20 catch (Exception ex)
21 {
22 throw new Exception(" 无法保存图像。" + ex.Message);
23 }
24 }
