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_TOAST_INFO
    {
        public int sTitle;
        public int sMessage;
        public int sProgram;
        public int sSoundFile;
        public int nReserved;
    }

    public static bool DisplayToast(string sMessage, string sTitle, string sProgram, bool bPlaySound)
    {
        if(sMessage.Length > 255)
        {
            sMessage = sMessage.Substring(0,255);
        }

        MPL_TOAST_INFO info = new MPL_TOAST_INFO();
        info.nReserved = 0;

        System.Runtime.InteropServices.GCHandle titlePtr = new System.Runtime.InteropServices.GCHandle();
        if(sTitle.Length < 1)
        {
            info.sTitle = 0;
        }
        else
        {
            titlePtr = System.Runtime.InteropServices.GCHandle.Alloc(sTitle, System.Runtime.InteropServices.GCHandleType.Pinned);
            info.sTitle = titlePtr.AddrOfPinnedObject().ToInt32();
        }
           
        System.Runtime.InteropServices.GCHandle progPtr = new System.Runtime.InteropServices.GCHandle();
        if(sProgram.Length < 1)
        {
            info.sProgram = 0;
        }
        else
        {
            progPtr = System.Runtime.InteropServices.GCHandle.Alloc(sProgram, System.Runtime.InteropServices.GCHandleType.Pinned);
            info.sProgram = progPtr.AddrOfPinnedObject().ToInt32();
        }
           
        System.Runtime.InteropServices.GCHandle msgPtr = new System.Runtime.InteropServices.GCHandle();
        if(sMessage.Length < 1)
        {
            info.sMessage = 0;
        }
        else
        {
            msgPtr = System.Runtime.InteropServices.GCHandle.Alloc(sMessage, System.Runtime.InteropServices.GCHandleType.Pinned);
            info.sMessage = msgPtr.AddrOfPinnedObject().ToInt32();
        }

        if(bPlaySound)
        {
            info.sSoundFile = -1;
        }
        else
        {
            info.sSoundFile = 0;
        }

        int nMsg = RegisterWindowMessage("MessengerPlus_DisplayToast");
        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.sTitle != 0)
        {
            titlePtr.Free();
        }
        if(info.sProgram != 0)
        {
            progPtr.Free();
        }
        if(info.sMessage != 0)
        {
            msgPtr.Free();
        }
        infoPtr.Free();

        return true;
    }

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