//分割Tif图片为多个Gif图片
Image img = Image.FromFile("C:\\1.tif");
Guid guid = (Guid)img.FrameDimensionsList.GetValue(0);
FrameDimension dimension = new FrameDimension(guid);
int totalPage = img.GetFrameCount(dimension);
this.statusBar1.Text = "共"+totalPage+"页";
for(int i=0;i<totalPage;i++)
{
img.SelectActiveFrame(dimension,i);
img.Save("C:\\Gif"+i+".gif",System.Drawing.Imaging.ImageFormat.Gif);
}