带有弹出的保存页面,可以设置图片的名字,选择图片保存的格式
private void ExportPicture(string fileName)
{
string saveFileName = "";
SaveFileDialog saveDialog = new SaveFileDialog();
saveDialog.FileName = fileName;
//saveDialog.ShowDialog();
saveFileName = saveDialog.FileName;
saveDialog.Filter = "Bitmap (*.bmp)|*.bmp|JPEG (*.jpg)|*.jpg|EMF (*.emf)|*.emf|PNG (*.png)|*.png|SVG (*.svg)|*.svg|GIF (*.gif)|*.gif|TIFF (*.tif)|*.tif";
saveDialog