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Tortoise clients and icon overlay handlers

From: Stefan Küng <tortoisesvn_at_gmail.com>
Date: Tue, 01 Jan 2008 13:30:32 +0100


Since there are now more than just one Tortoise client available, and
many people have already more than just one installed, the limit of
available icon overlay handlers becomes a real problem.

As you know, Windows only has 12 slots available for icon overlay
handlers (the theoretical limit is 15, but 3 are already used by the OS
itself). Which means if a user has more than one Tortoise client
installed, the second one can't show all overlays anymore.

To solve this problem, I've implemented a common overlay handler for
Tortoise clients. If all Tortoise clients would use this handler instead
of the OS one, they would all use the same slots in the system and it
doesn't matter anymore how many clients a user has installed.

To use this common overlay handler, all you have to do is to install the
common handler (of course) and then register your own handlers under
HKLM\Software\TortoiseOverlays\ instead of

I've already implemented this change in TortoiseSVN, it's not much work.

The sourcecode is available from here (username: guest, leave password
the installers and merge modules are in the /bin subfolder.

More information is available in the documentation file:

The whole thing is 'license free' to avoid incompatibilities with the
license of your own Tortoise client. Which means it's completely free to
use, link to or whatever you like.


P.S. If you're replying to this mail, don't forget to cc all recipients
since this mail goes to different Tortoise mailing lists.

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Received on 2008-01-01 13:31:02 CET

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