C# - Can I use IEnumerable<T>.Aggregate<T>(func()) to combine flag enum values?

C# - Use Aggregate<FlagEnum>(func()) to combine flags.dib

#!meta

{"kernelInfo":{"defaultKernelName":"csharp","items":[{"aliases":[],"name":"csharp"}]}}

#!csharp

/** Q: Can I use IEnumerable<T>.Aggregate<T>(func()) to combine flag enum values?
    A: 
*/
using System.Collections.Concurrent;

PROCESS_ACCESS_RIGHTS[] AccessRightsRequested = { PROCESS_ACCESS_RIGHTS.PROCESS_QUERY_LIMITED_INFORMATION, PROCESS_ACCESS_RIGHTS.PROCESS_VM_READ, PROCESS_ACCESS_RIGHTS.PROCESS_DUP_HANDLE };
ConcurrentBag<PROCESS_ACCESS_RIGHTS> AccessRightsGranted = new();

var parallelLoopResult = Parallel.ForEach(AccessRightsRequested, accessRight =>
{
    try
    {
        AccessRightsGranted.Add(accessRight);
    }
    catch (Exception ex)
    {
        Console.Error.WriteLine($"Failed to open a temporary process handle to check permissible access rights. {ex}");
    }
});
parallelLoopResult.Display();
/**md System.Threading.Tasks.ParallelLoopResult
    |                       |         |
    | --------------------- | ------- |
    | IsCompleted	        | True    |
    | LowestBreakIteration	| <null>  |

*/

AccessRightsGranted.Display();
/** | index	| value
    | ----- | ----
    | 0	    | PROCESS_VM_READ
    | 1	    | PROCESS_QUERY_LIMITED_INFORMATION
    | 2	    | PROCESS_DUP_HANDLE
*/

PROCESS_ACCESS_RIGHTS usableRights = AccessRightsGranted.Aggregate((a, b) => a | b);
usableRights.Display(); 
/** PROCESS_VM_READ, PROCESS_DUP_HANDLE, PROCESS_QUERY_LIMITED_INFORMATION 
*/


[Flags]
[global::System.CodeDom.Compiler.GeneratedCode("Microsoft.Windows.CsWin32", "0.2.229-beta+f8b5498ab6")]
public enum PROCESS_ACCESS_RIGHTS : uint
{
    PROCESS_TERMINATE = 0x00000001,
    PROCESS_CREATE_THREAD = 0x00000002,
    PROCESS_SET_SESSIONID = 0x00000004,
    PROCESS_VM_OPERATION = 0x00000008,
    PROCESS_VM_READ = 0x00000010,
    PROCESS_VM_WRITE = 0x00000020,
    PROCESS_DUP_HANDLE = 0x00000040,
    PROCESS_CREATE_PROCESS = 0x00000080,
    PROCESS_SET_QUOTA = 0x00000100,
    PROCESS_SET_INFORMATION = 0x00000200,
    PROCESS_QUERY_INFORMATION = 0x00000400,
    PROCESS_SUSPEND_RESUME = 0x00000800,
    PROCESS_QUERY_LIMITED_INFORMATION = 0x00001000,
    PROCESS_SET_LIMITED_INFORMATION = 0x00002000,
    PROCESS_ALL_ACCESS = 0x001FFFFF,
    PROCESS_DELETE = 0x00010000,
    PROCESS_READ_CONTROL = 0x00020000,
    PROCESS_WRITE_DAC = 0x00040000,
    PROCESS_WRITE_OWNER = 0x00080000,
    PROCESS_SYNCHRONIZE = 0x00100000,
    PROCESS_STANDARD_RIGHTS_REQUIRED = 0x000F0000,
}