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);
}
默认情况下,IE内核的网页浏览框(WebBrowser、CHtmlView、CHtmlDialog等控件)在跳转网页、点击按钮时会发出声音,用CoInternetSetFeatureEnabled这个API可以禁止掉。