protected override void OnStart()
{
_hookProc = new KeyboardLowLevelHookProc(HookProc);
_hookHandle = NativeMethods.SetWindowsHookEx(_hookProc);
if (_hookHandle.IsInvalid)
{
throw new Win32Exception();
}
_hookRoot = GCHandle.Alloc(this);
}
internal static SafeWindowsHookHandle SetWindowsHookEx(KeyboardLowLevelHookProc proc)
{
return(SetWindowsHookEx(WindowsHookType.KeyboardLowLevel, proc));
}
