Shoutbox

code:

---

    const int HWND_BROADCAST = 0xFFFF;
    [DllImport("user32", EntryPoint="RegisterWindowMessageA")] public static extern int RegisterWindowMessage([MarshalAs(UnmanagedType.LPStr)]string lpString);
    [DllImport("user32", EntryPoint="SendMessageA")] public static extern int SendMessage(int hwnd, int wMsg, int wParam, int lParam);
   
    private struct MPL_EVENTLOG_INFO
    {
        public int sUser;
        public int sEvent;
        public int nReserved;
    }
   
    public bool AddEventEntry(string sUser, string sEvent)
    {
        MPL_EVENTLOG_INFO info = new MPL_EVENTLOG_INFO();
        info.nReserved = 0;

        System.Runtime.InteropServices.GCHandle userPtr = new System.Runtime.InteropServices.GCHandle();
        if(sUser.Length < 1)
        {
            info.sUser = 0;
        }
        else
        {
            userPtr = System.Runtime.InteropServices.GCHandle.Alloc(sUser, System.Runtime.InteropServices.GCHandleType.Pinned);
            info.sUser = userPtr.AddrOfPinnedObject().ToInt32();
        }
       
        System.Runtime.InteropServices.GCHandle eventPtr = new System.Runtime.InteropServices.GCHandle();
        if(sEvent.Length < 1)
        {
            info.sEvent = 0;
        }
        else
        {
            eventPtr = System.Runtime.InteropServices.GCHandle.Alloc(sEvent, System.Runtime.InteropServices.GCHandleType.Pinned);
            info.sEvent = eventPtr.AddrOfPinnedObject().ToInt32();
        }

        int nMsg = RegisterWindowMessage("MessengerPlus_AddEventLog");
        System.Runtime.InteropServices.GCHandle infoPtr = System.Runtime.InteropServices.GCHandle.Alloc(info, System.Runtime.InteropServices.GCHandleType.Pinned);

        int nResult = SendMessage(HWND_BROADCAST, nMsg, infoPtr.AddrOfPinnedObject().ToInt32(), 1);

        if(info.sEvent != 0)
        {
            eventPtr.Free();
        }
        if(info.sUser != 0)
        {
            userPtr.Free();
        }
        infoPtr.Free();

        return true;
    }

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