/// <summary>
/// Creates a default data structure that provides
/// a hidden taskbar icon without the icon being set.
/// </summary>
/// <param name="handle"></param>
/// <returns></returns>
public static NotifyIconData CreateDefault(IntPtr handle)
{
var data = new NotifyIconData();
if (Environment.OSVersion.Version.Major >= 6)
{
//use the current size
data.cbSize = (uint)Marshal.SizeOf(data);
}
else
{
//we need to set another size on xp/2003- otherwise certain
//features (e.g. balloon tooltips) don't work.
data.cbSize = 504;
//set to fixed timeout
data.VersionOrTimeout = 10;
}
data.WindowHandle = handle;
data.TaskbarIconId = 0x0;
data.CallbackMessageId = WindowMessageSink.CallbackMessageId;
data.VersionOrTimeout = (uint)NotifyIconVersion.Win95;
data.IconHandle = IntPtr.Zero;
//hide initially
data.IconState = IconState.Hidden;
data.StateMask = IconState.Hidden;
//set flags
data.ValidMembers = IconDataMembers.Message
| IconDataMembers.Icon
| IconDataMembers.Tip;
//reset strings
data.ToolTipText = data.BalloonText = data.BalloonTitle = String.Empty;
return(data);
}
public static extern bool Shell_NotifyIcon(NotifyCommand cmd, [In] ref NotifyIconData data);