How to Marshal COM simple type -> net type

Question

I need to determine value of (DirectoryEntry) user.Propertes["pwdLastSet].Value how would I marshal such value to .Net Type..

Answer 1

User Management with Active Directory—How Password Modification Dates Are Stored
http://en.csharp-online.net/User_Management_with_Active_Directory%E2%80%94How_Password_Modification_Dates_Are_Stored