C#自定义保存路径

最新推荐文章于 2025-04-13 19:15:15 发布

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Random randomkey = new Random();
int key = randomkey.Next(1, 1000000);
int timename = DateTime.Now.Millisecond;
SaveFileDialog save = new SaveFileDialog();
save.InitialDirectory = "c:// ";
save.RestoreDirectory = true;
save.Filter = "jpg files (*.jpg)|*.jpg|png files (*.png)|*.png|bmp files (*.bmp)|*.bmp|gif files (*.gif)|*.gif ";
save.FilterIndex = 1;
save.Title = "保存";
save.FileName = Convert.ToString(key + timename);
if (save.ShowDialog() == DialogResult.OK)
{
string str = this.txtdanganpic.Text.Substring(this.txtdanganpic.Text.Length - 4, 4);
System.IO.File.Copy(this.txtdanganpic.Text, save.FileName);
}