如何从打开文件对话框中获取文件大小？

Question

如何获取我在Openfiledialog中选择的文件的文件大小？

- M.Azad

Answer 1

var ofd = new OpenFileDialog();
if (ofd.ShowDialog() == DialogResult.OK)
{
    var size = new FileInfo(ofd.FileName).Length;
}

- Darin Dimitrov

Answer 2

由于信息不够详细，我只能告诉您：

new FileInfo(dialog.Filename).Length

- Oliver

Answer 3

if (this.myOpenFileDialog.ShowDialog() == DialogResult.OK)
{
    var length = new System.IO.FileInfo(this.myOpenFileDialog.FileName).Length;
}

- bitbonk

Answer 4

在多选和单选模式下都适用。

 if (openFileDialog1.ShowDialog() == DialogResult.OK)
        {

            if (openFileDialog1.Multiselect)
            {
                long totalsize = 0;
                foreach (string siz in openFileDialog1.FileNames)
                    totalsize += new FileInfo(siz).Length;
                MessageBox.Show(totalsize.ToString());
            }
            else
            {
                MessageBox.Show(new FileInfo(openFileDialog1.FileName).Length.ToString());
            }
        }

- Moory Pc