C++ (Cpp) ComSmartPtr::ReadMultiple示例

    int getIntProperty (const LPOLESTR name, const int defaultReturn) const
    {
        ComSmartPtr<IPropertyStorage> prop;
        if (FAILED (discRecorder->GetRecorderProperties (prop.resetAndGetPointerAddress())))
            return defaultReturn;

        PROPSPEC iPropSpec;
        iPropSpec.ulKind = PRSPEC_LPWSTR;
        iPropSpec.lpwstr = name;

        PROPVARIANT iPropVariant;
        return FAILED (prop->ReadMultiple (1, &iPropSpec, &iPropVariant))
                   ? defaultReturn : (int) iPropVariant.lVal;
    }

示例#2

显示文件

文件： juce_win32_AudioCDBurner.cpp 项目： GuillaumeLeNost/SimpleFFT

    bool setIntProperty (const LPOLESTR name, const int value) const
    {
        ComSmartPtr<IPropertyStorage> prop;
        if (FAILED (discRecorder->GetRecorderProperties (prop.resetAndGetPointerAddress())))
            return false;

        PROPSPEC iPropSpec;
        iPropSpec.ulKind = PRSPEC_LPWSTR;
        iPropSpec.lpwstr = name;

        PROPVARIANT iPropVariant;
        if (FAILED (prop->ReadMultiple (1, &iPropSpec, &iPropVariant)))
            return false;

        iPropVariant.lVal = (long) value;
        return SUCCEEDED (prop->WriteMultiple (1, &iPropSpec, &iPropVariant, iPropVariant.vt))
                && SUCCEEDED (discRecorder->SetRecorderProperties (prop));
    }