/// <summary>
/// Get all Groups that have access to this recording session
/// </summary>
/// <param name="AccessingUser"></param>
/// <returns>OCL.Groups that are visible by AccessingUser</returns>
public OCL.Groups AllVisibleGroupsWithAccess(OCL.User AccessingUser)
{
OCL.Functions F = new OCL.Functions();
return F.AllVisibleGroupsThatContainRecordingSession(AccessingUser,this);
}