set mb_mgr [new MB_Manager]
$mb_mgr reg_canvas_cmd create_canvas_procRegister canvas_name as the callback procedure for creating a new canvas for a new MediaBoard page. The syntax for such a call is:
set new_canvas [eval $create_canvas_proc $page_id]where page_id is of the page_id format. Note that create_canvas_proc can be of the form "$obj instproc_name" and not neccessary just a procedure name. The return value of "create_canvas_proc" must be a MB_Canvas.
Returns: nothing local_src:
set source [$mb_mgr local_src]Each MediaBoard also acts as a source of data. It identify itself with a source id just like all other (remote) sources. This function returns the local source id.
Returns: The local source id in src_id format. abort:
$mb_mgr abortKills the MediaBoard session. This results in a assert call in debug builds, which is useful for tracing errors.
Returns: nothing. exit:
$mb_mgr exitCalls the Tcl exit function.
Returns: nothing.