OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Title = "选择文件";
openFileDialog.Filter = "zip文件|*.zip|rar文件|*.rar|所有文件|*.*";
openFileDialog.FileName = string.Empty;
openFileDialog.FilterIndex = 1;
openFileDialog.RestoreDirectory = true;
openFileDialog.DefaultExt = "zip";
DialogResult result = openFileDialog.ShowDialog();
if (result == System.Windows.Forms.DialogResult.Cancel)
{
return;
}
string fileName = openFileDialog.FileName;
MessageBox.Show(fileName );
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