How to access Thunderbird's toolbar-button-icons?

Where can I find Thunderbird's default toolbar-button-icons - I've looked around here http://mxr.mozilla.org/mozilla-central/source/toolkit/themes/winstripe/global/ without succe开发者_Go百科ss.

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Thunderbird source code lives in the comm-central repository, not mozilla-central. The default Windows theme is Qute. Which makes it much easier to find the icons:

• Windows Aero icons for the main window
• Windows Aero icons for the Compose window