Framework/Article/Tool Panels Internals
From Apache OpenOffice Wiki
As an user, when you want to contribute a tool panel UI element, you can refer here. If you are a developer, want to know more technical details, this article maybe can help you. The article will focus on the implement of Tool Panel in OpenOffice.org.
OpenOffice.org Tool Panels Internals
Tool Panel source code location
The main source code implement for tool panel located at svtools\inc\svtools\toolpanel and D:\OO3\svtools\source\toolpanel