@param toolId
Greater than -1 if the mouse cursor has moved into the tool,
or -1 if the mouse cursor has moved. The
programmer can override this to provide extra information about the tool,
such as a short description on the status line.
@param toolId
Greater than -1 if the mouse cursor has moved into the tool,
or -1 if the mouse cursor has moved. The
programmer can override this to provide extra information about the tool,
such as a short description on the status line.