• "atom parent"
• integer id
• sequence label
• atom wxBitmap [= 0] the primary tool bitmap
• atom wxBitmap [= 0] The bitmap used then the tool is disabled. If it is equal to wxNullBitmap, the disabled bitmap is automatically generated by greing the normal one.
• integer kind [= wxITEM_NORMAL] May be wxITEM_NORMAL for a normal button (default), wxITEM_CHECK for a checkable tool (such tool stays pressed after it had been toggled) or wxITEM_RADIO for a checkable tool which makes part of a radio group of tools each of which is automatically unchecked whenever another button in the group is checked
• sequence short_help [= ""] This string is used for the tools tooltip
• sequence long_help [= ""] This string is shown in the statusbar (if any) of the parent frame when the mouse pointer is inside the tool

This is equivalent to add_tool.