PowerToys/tools/HandlesExperiment/ContextMenuEntry/ClassFactory.cpp
2022-10-20 16:40:46 +02:00

52 lines
1.0 KiB
C++

#include "pch.h"
#include "ClassFactory.h"
#include "ExplorerCommand.h"
// Implementations of inherited IUnknown methods
IFACEMETHODIMP ClassFactory::QueryInterface(REFIID riid, void** ppv)
{
static const QITAB qit[] = {
QITABENT(ClassFactory, IClassFactory),
{ 0, 0 },
};
return QISearch(this, qit, riid, ppv);
}
IFACEMETHODIMP_(ULONG) ClassFactory::AddRef()
{
return ++m_ref_count;
}
IFACEMETHODIMP_(ULONG) ClassFactory::Release()
{
auto result = --m_ref_count;
if (result == 0)
{
delete this;
}
return result;
}
// Implementations of inherited IClassFactory methods
IFACEMETHODIMP ClassFactory::CreateInstance(IUnknown* pUnkOuter, REFIID riid, void** ppvObject)
{
*ppvObject = NULL;
HRESULT hr;
if (pUnkOuter)
{
hr = CLASS_E_NOAGGREGATION;
}
else if (m_clsid == __uuidof(ExplorerCommand))
{
hr = ExplorerCommand::s_CreateInstance(pUnkOuter, riid, ppvObject);
}
else
{
hr = CLASS_E_CLASSNOTAVAILABLE;
}
return hr;
}