C++/WinRT snippet for creating or getting a DispatcherQueue (15063+)

dispatcherqueue.cpp

#include <winrt/Windows.System.h>

winrt::Windows::System::DispatcherQueue CreateDispatcherQueue()
{
    auto coreMsgLib = LoadLibrary(L"CoreMessaging.dll");

    typedef HRESULT(WINAPI* CreateDispatcherQueueForCurrentThread)(
        _Deref_out_ ABI::Windows::System::IDispatcherQueue** dispatcherQueueController);

    auto pCreateDispatcherQueueForCurrentThread =
        (CreateDispatcherQueueForCurrentThread)GetProcAddress(coreMsgLib, "CreateDispatcherQueueForCurrentThread");

    // if it's NULL means we are on 14393 or older (DispatcherQueue doesn't exists in these versions.)
    if (!pCreateDispatcherQueueForCurrentThread)
        return nullptr;

    winrt::Windows::System::DispatcherQueue controller{ nullptr };
    winrt::check_hresult(pCreateDispatcherQueueForCurrentThread(reinterpret_cast<ABI::Windows::System::IDispatcherQueue**>(winrt::put_abi(controller))));
    return controller;
}