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Frequently Asked Questions

1. Can I redistribute this component with my application?

Yes! MapWindow and related components are all released under the Mozilla Public License 1.1, which means they can be redistributed without royalty.

2. What files do I need to include with my application to redistribute it?

We'd recommend that, rather than including dependencies yourself, you just download the MapWinGISOCXOnly.exe redistributable installer from - this is a self-contained installation that will set up a destination computer with the MapWinGIS.ocx component. You can provide several flags to the installation, most notably:

/Silent - Display only a progress bar.

/VerySilent - Display nothing (completely silent)

/Dir="c:\somedir\MapWindow" - Overrides the default installation directory of {Program Files}\Common Files\MapWindow.

3. I think I found a bug. What can I do?

Please submit a bug report to our BugZilla System at If possible, please upload or provide a link to an example peice of data that will cause the problem to occur.

If you have programming skill, MapWindow is after all Open-Source.... we'd love it if you could dig in and fix it! See our code acess page:

4. My question is not answered here. What do I do?

There are a few options. The option that will probably get the fastest result is to post your question on our forums at - if you'd like, you can then return to this page and use the Edit tab to append your question and answer to this list. Please leave this "My Question Isn't Answered" question as the last one.

The next option is to directly contact an administrator at and request that your question be added to this list. 5. In .NET2003 with framework 1.1 Can I use MapWin dll's?Please send a ans to this

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This page has been accessed 9,163 times. This page was last modified on 12 December 2007, at 08:57.