Method get_IconFile

Testing/TestPlugins/src/PathCopyCopyPlugin2b.cpp:107–152

Method that provides the path of a file containing the image to use for the icon of the plugin in the contextual menu.

// Method that provides the path of a file containing the image to use
// for the icon of the plugin in the contextual menu.
[[gsl::suppress(c.128), gsl::suppress(f.6)]]
STDMETHODIMP CPathCopyCopyPlugin2b::get_IconFile(BSTR *p_ppIconFile)
{
    // Initialize to NULL in case we fail to provide a file.
    if (p_ppIconFile != nullptr) {
        *p_ppIconFile = nullptr;
    } else {
        return E_INVALIDARG;
    }
    HRESULT hRes = E_FAIL;

    try {
        // Get path to this module.
        std::wstring thisModulePath(MAX_PATH + 1, L'\0');
        if (::GetModuleFileNameW(CTestPluginsModule::HInstance(), &*thisModulePath.begin(), gsl::narrow<DWORD>(thisModulePath.size())) != 0) {
            // Remove filename from path.
            std::wstring path(thisModulePath.c_str());
            std::wstring::size_type lastDelimPos = path.find_last_of(L"\\/");
            if (lastDelimPos != std::wstring::npos) {
                path.erase(lastDelimPos);
            } else {
                path.clear();
            }
        
            // Go up three levels then dig to find the icon file.
            for (int i = 0; i < 3; ++i) {
                lastDelimPos = path.find_last_of(L"\\/");
                if (lastDelimPos != std::wstring::npos) {
                    path.erase(lastDelimPos);
                } else {
                    path.clear();
                    break;
                }
            }
            path += L"\\icons\\settings.ico";

            // Return resulting path.
            *p_ppIconFile = ::SysAllocString(path.c_str());
            hRes = S_OK;
        }
    } catch (...) {
        hRes = E_UNEXPECTED;
    }

    return hRes;
}

// Method that determines whether the plugin uses the default icon.
[[gsl::suppress(c.128), gsl::suppress(f.6)]]