Add WinRegKey support

Sine Striker

2023-12-29 6eb2efea00eb07ce3a6b089b984885ce4a08c9ca

 examples/qml/main.cpp

@@ -12,9 +12,9 @@
    qputenv("QT_QUICK_CONTROLS_STYLE", "Default");
#endif
#if 0
    qputenv("QSG_RHI_BACKEND", "d3d12");
    qputenv("QSG_RHI_HDR", "scrgb");
    qputenv("QT_QPA_DISABLE_REDIRECTION_SURFACE", "1");
    qputenv("QSG_RHI_BACKEND", "opengl");
    //qputenv("QSG_RHI_HDR", "scrgb");
    //qputenv("QT_QPA_DISABLE_REDIRECTION_SURFACE", "1");
#endif
    QGuiApplication::setHighDpiScaleFactorRoundingPolicy(
        Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);