using NTFS permissions
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//source - http://stackoverflow.com/a/21728004
using System.IO;
using System.Security.AccessControl;
private void btnBrowse_Click(object sender, EventArgs e)
{
if (folderBrowserDialog1.ShowDialog() == DialogResult.OK)
{
// Select the folder to lock
textBox1.Text = folderBrowserDialog1.SelectedPath;
}
}
private void btnLock_Click(object sender, EventArgs e)
{
try
{
string folderPath = textBox1.Text;
string adminUserName = Environment.UserName;// getting your adminUserName
DirectorySecurity ds = Directory.GetAccessControl(folderPath);
FileSystemAccessRule fsa = new FileSystemAccessRule(adminUserName, FileSystemRights.FullControl, AccessControlType.Deny)
ds.AddAccessRule(fsa);
Directory.SetAccessControl(folderPath, ds);
MessageBox.Show("Locked");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void btnUnLock_Click(object sender, EventArgs e)
{
try
{
string folderPath = textBox1.Text;
string adminUserName = Environment.UserName;// getting your adminUserName
DirectorySecurity ds = Directory.GetAccessControl(folderPath);
FileSystemAccessRule fsa = new FileSystemAccessRule(adminUserName,FileSystemRights.FullControl, AccessControlType.Deny)
ds.RemoveAccessRule(fsa);
Directory.SetAccessControl(folderPath, ds);
MessageBox.Show("UnLocked");
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
kids - http://itknowledgeexchange.techtarget.com/itanswers/folder-lock/
origin - http://www.pipiscrew.com/?p=1804 net-how-to-lock-folder-in-c