WPF NotifyIcon

using System;

namespace Hardcodet.Wpf.TaskbarNotification.Interop
{
    /// <summary>
    /// Indicates which members of a <see cref="NotifyIconData"/> structure
    /// were set, and thus contain valid data or provide additional information
    /// to the ToolTip as to how it should display.
    /// </summary>
    [Flags]
    public enum IconDataMembers
    {
        /// <summary>
        /// The message ID is set.
        /// </summary>
        Message = 0x01,

        /// <summary>
        /// The notification icon is set.
        /// </summary>
        Icon = 0x02,

        /// <summary>
        /// The tooltip is set.
        /// </summary>
        Tip = 0x04,

        /// <summary>
        /// State information (<see cref="IconState"/>) is set. This
        /// applies to both <see cref="NotifyIconData.IconState"/> and
        /// <see cref="NotifyIconData.StateMask"/>.
        /// </summary>
        State = 0x08,

        /// <summary>
        /// The balloon ToolTip is set. Accordingly, the following
        /// members are set: <see cref="NotifyIconData.BalloonText"/>,
        /// <see cref="NotifyIconData.BalloonTitle"/>, <see cref="NotifyIconData.BalloonFlags"/>,
        /// and <see cref="NotifyIconData.VersionOrTimeout"/>.
        /// </summary>
        Info = 0x10,

        // Internal identifier is set. Reserved, thus commented out.
        //Guid = 0x20,

        /// <summary>
        /// Windows Vista (Shell32.dll version 6.0.6) and later. If the ToolTip
        /// cannot be displayed immediately, discard it.<br/>
        /// Use this flag for ToolTips that represent real-time information which
        /// would be meaningless or misleading if displayed at a later time.
        /// For example, a message that states "Your telephone is ringing."<br/>
        /// This modifies and must be combined with the <see cref="Info"/> flag.
        /// </summary>
        Realtime = 0x40,

        /// <summary>
        /// Windows Vista (Shell32.dll version 6.0.6) and later.
        /// Use the standard ToolTip. Normally, when uVersion is set
        /// to NOTIFYICON_VERSION_4, the standard ToolTip is replaced
        /// by the application-drawn pop-up user interface (UI).
        /// If the application wants to show the standard tooltip
        /// in that case, regardless of whether the on-hover UI is showing,
        /// it can specify NIF_SHOWTIP to indicate the standard tooltip
        /// should still be shown.<br/>
        /// Note that the NIF_SHOWTIP flag is effective until the next call 
        /// to Shell_NotifyIcon.
        /// </summary>
        UseLegacyToolTips = 0x80
    }
}