Question

Windows XP taskbar grouping

Asked by: soulaco

How can you go about adding different program windows to an existing taskbar group tab on the Windows taskbar?

I figured out how to use the ITaskbarList2 interface and am able to add/remove tabs on the Windows taskbar. However, what I need to do is to be able to add windows to that new tab based on certain criteria. I, also, downloaded a program that allows you to add any program window to any taskbar tab, giving the user power over the taskbar grouping. That's what I need to be able to do programatically.

The issue I am trying to solve is...
At work, the traders use a program that spawns different child processes for their portfolios and other stuff. Each window's caption contains the type of window that it is. So, for instance, if a window is spawned for a portfolio view, the window caption would contain "Portfolio". If a window is spawned for their trade ledger, the window caption would contain "Ledger", etc.

The traders could have 20 or 30 windows opened at a time -- 10 ledger windows and 10 portfolio windows or whatever. The problem is that Windows XP will automatically group each window into a single tab on the taskbar (since they are all part of the same main program executable).

What I need is a way to search all the windows currently on the taskbar, find the windows that correspond to the main application and then group those windows according to their window captions. So, all the "ledger" windows would be grouped together in 1 tab and then all the "portfolio" windows would be grouped in another single tab, etc.

I know there's a way to do this, since the program I downloaded allows for this functionality manually. Since it's a program that is not mine, I can't reverse engineer it and see how it is achieving this functionality. But since it can do it -- the functionality is possible.

So, how can this be done? I don't care if the code is in C# or C++ (my guess is it would most likely be in C++). Does anybody know how to do this?

Thanks in advance.

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Asked On
2009-11-01 at 16:10:12ID24862490
Tags

Taskbar

,

C#

,

C++

,

Windows

,

.NET

,

PInvoke

,

COM

,

Win32 API

Topics

Microsoft Visual C++

,

Windows XP Operating System

,

Windows ATL / WTL / COM Programming

Participating Experts
2
Points
500
Comments
6

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Answers

 

by: DanRollinsPosted on 2009-11-02 at 15:22:11ID: 25724824

Taskbar Shuffle http://nerdcave.webs.com/
... has that capability, so it certainly does seem possible.  

This guy has written a similar tool,
    wsTaskborg
   http://w-shadow.com/wstaskborg/

And rather than patenting or hiding his methods, he describes it quite completely here:

    Manipulating Taskbar Buttons
    http://w-shadow.com/blog/2006/10/01/manipulating-taskbar-buttons/

It boils down to the fact that the taskbar is just a ToolbarWindow32 (see http://msdn.microsoft.com/en-us/library/bb760435(VS.85).aspx)) and will accept and process message sent to it.   If the article is not clear enough (though it looks very well written to me) then you can do some addtional exploration by using Spy++ to track the message sent to the taskbar window.

 

by: MeretePosted on 2009-11-02 at 15:29:07ID: 25724874

Hi, dont know about the C+++ but just to offer you an alternative idea in the meantime is objectdock,
lets you organise numerous docks and add in any shortcuts to programs and running tasks.
Uisng this tool myself I can manage everything, reduce the size of the docks even hide them.
http://www.stardock.com/products/objectdock/

 

by: MeretePosted on 2009-11-02 at 15:35:25ID: 25724914

I meant to add
images here with fly out menues
http://www.stardock.com/products/objectdock/learn.asp
you can view a video here
http://www.stardock.com/products/objectdock/learn.asp

 

by: soulacoPosted on 2009-11-02 at 16:09:00ID: 25725095

Thanks! I have both those programs installed on my machine. The one that is the most relevant for me is the wsTaskborg program. I read the tutorial the guy gave and I think I understand how to do it, but it's still a little iffy -- especially since he's using a lot of undocumented windows api functions. I am going to take another crack at it tomorrow at work, but if anyone has any experience in working with the windows taskbar in the way the writer of the wsTaskborg program had -- any help would be appreciated.

 

by: DanRollinsPosted on 2009-11-02 at 16:27:20ID: 25725192

The tricky part will be if you need to get text, or have a structure populated from the Explorer's process space.  See:
http://www.experts-exchange.com/Programming/System/Windows__Programming/MFC/Q_22579215.html

for the steps (it's Managed/.Net code... but it boils down to the same API calls however you go).

 

by: soulacoPosted on 2009-11-02 at 20:40:27ID: 25726094

Cool. I will definitely give it a try. I think the hard part is going to be adding the programs to different tabs on the taskbar. I understand how to get the child windows, etc. and get the text of the windows and stuff. I have to see how hard it will be to add a window to a new tab I create. It's got to be one of the TB_BUTTON messages. I'll have to just mess with it.

20120131-EE-VQP-002

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