Bug is login verification. Note: Content removed because of security reason (as suggested by DaveAuld).

I am looking to lock my usb pen drive. It should ask for password when i try to open the file in the usb pen drive. Is there any way I can do this using vb.net or c#.

Refer this article http://www.codeproject.com/KB/cs/Dynamic_Crystal_Report.aspx

Use following code Dim strPath As String = "C:\Gaurav" Dim dir As String = IO.Path.Combine(strPath, "Temps") Dim dirSecurity As New System.Security.AccessControl.DirectorySecurity Dim rul As New Security.AccessControl.FileSystemAccessRule("Everyone", Security.AccessControl.FileSystemRights.FullControl, Security.AccessControl.AccessControlType.Allow) dirSecurity.AddAccessRule(rul) IO.Directory.CreateDirectory(dir, dirSecurity) Dim sharename As String = "ServerFolder" Dim cmdstring As String = "cmd /c net share """ & sharename & """=""" & dir & """" & " /unlimited" Shell(cmdstring)

It's not possible to change forecolor when it is disabled. You can use ReadOnly property instead.