C# : Check if a domain user is a member of group direct or indirect (nested groups)

In this solution you'll need to check and return TRUE of FALSE if a Domain USER is a member of GROUP in local or nested groups ## Deliverables **Description:** In this solution you'll need, using Active Directory and LDAP, to check the active directory and return TRUE of FALSE if a Domain USER is a member of GROUP in local or nested groups. **Solution Details:** 1. Create 1 form including 2 TextBoxes and 1 Button. 2. TextBox1 = Username in the domain 3. TextBox2 = GroupName 4. Button1 = Check. **Procedure** Click on the buutton will check if the selected domain user is a member (directly or indirectly (nested)) of the selected group and will return TRUE or FALSE in a MessageBox. **Example** User1 : Group A, Group B Group B : Group C Selected user = User1 Selected group = Group C Clicking the button will return TRUE as user is a member of Group C indirectly (nested). **General Notes, requirements, limitations and Considerations:** 1. The solution including all source codes will be built in Microsoft Visual Studio. 2. This solution including the source code will be check and tested on Microsoft Visual Studio 2010. 3. This solution will work and tested on the following operating systems: Windows XP, Windows 7, Server 2003, Server 2008 4. This solution will work and tested on the following platforms: x86 and x64. 5. Maximum allowed .NET Framework version is 2.0 6. The worker can use (if applicable) invoke and/or win API to build this solution, but not use additional (external) DLL's. 7. Installer is not required for this project. 8. running any of the method(s) should not exceed 100ms to finish the operation of that method. 9. You can not use process or processinfo to run command-line commands like NET, etc. 10. If the project is more then one day, you'll need to provide daily status reports on the progress of the solution.