Method QueryInterface

3rdparty/d3d12memalloc/src/D3D12MemAlloc.cpp:9625–9637

#ifndef _D3D12MA_IUNKNOWN_IMPL_FUNCTIONS
HRESULT STDMETHODCALLTYPE IUnknownImpl::QueryInterface(REFIID riid, void** ppvObject)
{
    if (ppvObject == NULL)
        return E_POINTER;
    if (riid == IID_IUnknown)
    {
        ++m_RefCount;
        *ppvObject = this;
        return S_OK;
    }
    *ppvObject = NULL;
    return E_NOINTERFACE;
}

ULONG STDMETHODCALLTYPE IUnknownImpl::AddRef()
{