HowTo Disable WebBrowser 'Click Sound' in your app only

Question

The \'click sound\' in question is actually a system wide preference, so I only want it to be disabled when my application has focus and then re-enable when the application

Answer 1

const int FEATURE_DISABLE_NAVIGATION_SOUNDS = 21;
const int SET_FEATURE_ON_PROCESS = 0x00000002;

[DllImport("urlmon.dll")]
[PreserveSig]
[return: MarshalAs(UnmanagedType.Error)]
static extern int CoInternetSetFeatureEnabled(int FeatureEntry,
                                              [MarshalAs(UnmanagedType.U4)] int dwFlags,
                                              bool fEnable);

static void DisableClickSounds()
{
    CoInternetSetFeatureEnabled(FEATURE_DISABLE_NAVIGATION_SOUNDS,
                                SET_FEATURE_ON_PROCESS,
                                true);
}