使用 RegOverridePredefKey 是正确的答案。然后注册:
regsvr32 /n /i:user C:\src\myCode.dll
使用“/i:user”,regsvr32 调用您的“DllInstall”函数而不是 DllRegisterServer。
DllInstall 的示例实现:
extern "C" STDAPI DllInstall(BOOL bInstall, _In_opt_ LPCWSTR pszCmdLine)
{
HRESULT hr = E_FAIL;
static const wchar_t szUserSwitch[] = L"user";
if (pszCmdLine != NULL)
{
if (_wcsnicmp(pszCmdLine, szUserSwitch, _countof(szUserSwitch)) == 0)
{
ATL::AtlSetPerUserRegistration(true); // is this really needed??
}
}
LSTATUS status = RegCreateKeyEx(HKEY_CURRENT_USER, L"SOFTWARE\\Classes", 0, 0, REG_OPTION_NON_VOLATILE, KEY_ALL_ACCESS, 0, &hkcu_classes, &disposition);
if (status == ERROR_SUCCESS)
{
status = RegOverridePredefKey(HKEY_CLASSES_ROOT, hkcu_classes);
}
hr = HRESULT_FROM_NT(status);
if (SUCCEEDED(hr))
{
if (bInstall)
{
hr = DllRegisterServer();
if (FAILED(hr))
{
DllUnregisterServer();
}
}
else
{
hr = DllUnregisterServer();
}
}
}