C#

<br />
private void chkShowLaunchWindow_CheckedChanged(object sender, System.EventArgs e)<br />
{<br />
     MessageBox.Show(chkShow.Checked.ToString());<br />
}<br />

<br />
private void SMSEventLog_EntryWritten(object sender, EntryWrittenEventArgs e)<br />
    {      <br />
      ShowNotifyBalloon(NotifyFlags.Info, "SMS Event Monitor", "some sample text", NotifyInfoFlags.Error);<br />
    }<br />
<br />
<br />
    private enum NotifyFlags {Message=0x01, Icon=0x02, Tip=0x04, Info=0x10, State=0x08}<br />
    private enum NotifyInfoFlags {Error=0x03, Info=0x01, None=0x00, Warning=0x02}<br />
    private enum NotifyCommand {Add=0x00, Delete=0x02, Modify=0x01}<br />
    private enum NotifyState {Hidden=0x01}<br />
    <br />
    [StructLayout(LayoutKind.Sequential)] <br />
    private struct NotifyIconData<br />
    {<br />
      public System.UInt32 cbSize; // DWORD<br />
      public System.IntPtr hWnd; // HWND<br />
      public System.UInt32 uID; // UINT<br />
      public NotifyFlags uFlags; // UINT<br />
      public System.UInt32 uCallbackMessage; // UINT<br />
      public System.IntPtr hIcon; // HICON<br />
      [MarshalAs(UnmanagedType.ByValTStr, SizeConst=128)]<br />
      public System.String szTip; // char[128]<br />
      public NotifyState dwState; // DWORD<br />
      public NotifyState dwStateMask; // DWORD<br />
      [MarshalAs(UnmanagedType.ByValTStr, SizeConst=256)]<br />
      public System.String szInfo; // char[256]<br />
      public System.Int32 dwTimeoutOrVersion; // UINT<br />
      [MarshalAs(UnmanagedType.ByValTStr, SizeConst=64)]<br />
      public System.String szInfoTitle; // char[64]<br />
      public NotifyInfoFlags dwInfoFlags; // DWORD<br />
    }<br />
<br />
    [DllImport("shell32.Dll")]<br />
    private static extern System.Int32 Shell_NotifyIcon(NotifyCommand cmd, ref NotifyIconData data);<br />
<br />
    //private static NotifyIconTarget m_messageSink = new NotifyIconTarget();<br />
    private uint m_id = 0;<br />
    <br />
    private void ShowNotifyBalloon(NotifyFlags flags, string title, string text, NotifyInfoFlags infoFlags)<br />
    {<br />
      NotifyIconData data = new NotifyIconData();<br />
      <br />
      data.cbSize = (uint)Marshal.SizeOf(data);      	<br />
      //data.hWnd = m_messageSink.Handle;<br />
      data.uID = m_id;        <br />
      data.uFlags = flags;<br />
      data.szInfoTitle = title;<br />
      data.szInfo = text;<br />
      data.dwInfoFlags = infoFlags;<br />
<br />
      Shell_NotifyIcon(NotifyCommand.Modify, ref data);<br />
    }<br />