Forms 6i - Two Tab Canvases

Hi. I have a form with 2 canvases of the Type 'Tab'. The first is named 'top canvas' and second is named 'bottom canvas'. Each tab canvas has 3 tab pages under it.
My problem is that when the user clicks one of the 6 tab pages I need to determine which tab page was clicked.
I was able to do this when I had only one canvas of the Type 'Tab' by doing the following:
tp_nm := GET_CANVAS_PROPERTY('TOP_CANVAS', topmost_tab_page);
tp_id := FIND_TAB_PAGE(tp_nm);
tp_lb := GET_TAB_PAGE_PROPERTY(tp_id, label);
IF tp_lb LIKE 'Details%' THEN
go_item('to_do_mteam.hide_cursor');
ELSIF tp_lb LIKE 'Droppers To Call%' THEN
go_item('dropper.hide_cursor');
END IF;
But since I now have 2 canvases of the Type 'Tab' I can't hard code the canvas name (e.g. 'top_canvas') like I did above because the tab page could be on either the 'top_canvas' or the 'bottom' canvas. And BOTH canvases will always have a topmost_tab_page.
Can anyone advise me on how to solve this issue? Any help would be greatly appreciated!

:system.event_canvas
Not documented. See thread here:
Re: System.Tab_New_Page - with multiple tab canvases

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Problem with Two tab canvases in a form

Hi Experts,
I am working on Oracle forms 10g (OS: Windows7) from last 1 year. I have got a requirement to create a form with one tab canvas CAN_TAB (with 2 tab pages) in main page and a pop up tab canvas ASN_SPLIT_TAB(with 2 tab pages). Now the problem is whenever we click on tabs it will fire WHEN-TAB-PAGE-CHANGED trigger and executes the complete code. As a result even if i click a tab page in CAN_TAB canvas it will fire for ASN_SPLIT_CANVAS as well. Check the below code (WHEN-TAB-PAGE-CHANGED). Now i have to differentiate between two tab canvases so that i can use IF-ELSE statement to overcome this problem. Please share your useful comments.
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END;

Thanks Craig. You made it happen..!! Below code is working fine for me.
IF :SYSTEM.tab_new_page = 'LINES' THEN
go_item('shipment_summary.shipment_reference');
show_view('CAN_LINES');
show_view('CAN_SCROLL');
ELSIF :SYSTEM.tab_new_page = 'ATTRIBUTES' THEN
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ELSIF :SYSTEM.tab_new_page = 'INVOICE_SPLIT' THEN
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at Re: How to save a query result and export it to, say excell? you can find links to different solutions. At least the packages behind second and fourth link support more than one worksheet. And both describe how to do it.
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--pat

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