WUIsBack/LegacyUpdate/dllmain.cpp

109 lines
2.3 KiB
C++

// dllmain.cpp : Implementation of DLL Exports.
#include "stdafx.h"
#include "resource.h"
#include "LegacyUpdate_i.h"
#include "dllmain.h"
#include "dlldatax.h"
CLegacyUpdateModule _AtlModule;
HINSTANCE g_hInstance;
// DLL Entry Point
extern "C" BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved) {
#ifdef _MERGE_PROXYSTUB
if (!PrxDllMain(hInstance, dwReason, lpReserved))
return FALSE;
#endif
switch (dwReason) {
case DLL_PROCESS_ATTACH:
g_hInstance = hInstance;
break;
case DLL_PROCESS_DETACH:
g_hInstance = NULL;
break;
}
return _AtlModule.DllMain(dwReason, lpReserved);
}
// Used to determine whether the DLL can be unloaded by OLE
STDAPI DllCanUnloadNow(void) {
#ifdef _MERGE_PROXYSTUB
HRESULT hr = PrxDllCanUnloadNow();
if (hr != S_OK) {
return hr;
}
#endif
return _AtlModule.DllCanUnloadNow();
}
// Returns a class factory to create an object of the requested type
STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv) {
#ifdef _MERGE_PROXYSTUB
if (PrxDllGetClassObject(rclsid, riid, ppv) == S_OK) {
return S_OK;
}
#endif
return _AtlModule.DllGetClassObject(rclsid, riid, ppv);
}
// DllRegisterServer - Adds entries to the system registry
STDAPI DllRegisterServer(void) {
// registers object, typelib and all interfaces in typelib
HRESULT hr = _AtlModule.DllRegisterServer();
#ifdef _MERGE_PROXYSTUB
if (FAILED(hr)) {
return hr;
}
hr = PrxDllRegisterServer();
#endif
return hr;
}
// DllUnregisterServer - Removes entries from the system registry
STDAPI DllUnregisterServer(void) {
HRESULT hr = _AtlModule.DllUnregisterServer();
#ifdef _MERGE_PROXYSTUB
if (FAILED(hr)) {
return hr;
}
hr = PrxDllRegisterServer();
if (FAILED(hr)) {
return hr;
}
hr = PrxDllUnregisterServer();
#endif
return hr;
}
// DllInstall - Adds/Removes entries to the system registry per user per machine.
STDAPI DllInstall(BOOL bInstall, LPCWSTR pszCmdLine) {
HRESULT hr = E_FAIL;
static const wchar_t szUserSwitch[] = L"user";
if (pszCmdLine != NULL) {
if (_wcsnicmp(pszCmdLine, szUserSwitch, _countof(szUserSwitch)) == 0) {
AtlSetPerUserRegistration(true);
}
}
if (bInstall) {
hr = DllRegisterServer();
if (FAILED(hr)) {
DllUnregisterServer();
}
} else {
hr = DllUnregisterServer();
}
return hr;
}