Notify Icon Plugin.
Allows you to add your icon to taskbar notification area (sometimes erroneously 
called the "tray." (c) MSDN). Also could remove installer caption from taskbar
on minimizing and more...

To use:

NotifyIcon::Icon Flags Arguments

Flags is a string of letters with special meaning. Some of such flags need 
some arguments to be passed, in this case they most follow flags specification
in the order flags describe them. :) I never was the master of explaining how
any of my plugins works ;)

So, the flags:
        a       -       add icon*   
        m       -       modify icon*
        r       -       remove icon
                * - these flags will be autodetected, but could be overrided

The folowing 4 flags could be inverted with '!' char before them (to reset them
to the default state). In this case ('!p') the p flag requires no argument.

        x       -       show taskbar item in minimized state (by default no)
        y       -       show NotifyIcon in normal state (by default no)
        z       -       hide NotifyIcon in minimized state (by default no)

        p       -       indicate progress as tip (requeries argument, tip format.
                        Should look like "it's a progress tip %d%%" or something
                        like that. %% adds % sign, and %d places progress value.

        i       - icon as integer (installer resource icon) (1 arg integer)
        s       - icon as integer (system icon) (1 arg integer)
        f       - icon as file (1 arg file name)
        h       - icon as handle (1 arg handle - integer)

        t       - tip (1 arg - string)

        b       - balloon tooltip without marks (2 args, Title and Tip itself)
        n       - balloon tooltip with INFO mark (2 args, Title and Tip itself)
        w       - balloon tooltip with WARNING mark (2 args, Title and Tip itself)
        e       - balloon tooltip with ERROR mark (2 args, Title and Tip itself)

        o       - set the baloon tooltip timeout (1 arg integer timeout in ms)
                  windows allows values between 10 and 30.

Tip 1. Ballon tooltips are available only at version 5.0 of shell controls.
At lower versions they will be ignored.
Tip 2. Don't forget using /NOUNLOAD on plugin calls (beside last call, usually
with "r" flag).

Example:
1)   NotifyIcon::Icon /NOUNLOAD "yitb" 103 "Just a tip" "Balloon!" "Cool!" 

     Create notify icon (will be always at tray), with default installer icon.   

2)   NotifyIcon::Icon /NOUNLOAD "fbp" "icon.ico" "Cool Installer" "Installation started" "Completed %d%%"

     Create notify icon from icon.ico, show startup ballon, and use progress
     as icon tip.

3)   NotifyIcon::Icon /NOUNLOAD "!pt" "Tip is back!"

     Remove progress tips and redefine you tip.

4)   NotifyIcon::Icon "r"
        
     Remove icon from tray.

Nik Medved (brainsucker)