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Bonus TIPS for Successful Posting

Try a Search First
It is highly recommended that a Search be done on your topic before posting, as many questions have been answered in prior posts. As with any search engine, the shorter the search term, the more "hits" will be returned, but the more specific the search term is, the greater the relevance of those "hits". Searching for "table" might well return every message on the board while "tablesum" would greatly restrict the number of messages returned.

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Keep Vertical Scroll Bar Visible?

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    Keep Vertical Scroll Bar Visible?

    Hi,

    I'm building my first application, and I have a grid component with a lot of columns. The grid has a horizontal and vertical scroll bar. The problem is that the vertical scrollbar is invisible when the grid is scrolled to the left, since it appears that A5 treats the scrollbar as if it were the last column.

    Is there any way to 'lock' the scroll bar position so that it stays visible no matter what the grid's horizontal position is?

    Also, while I'm on the subject, is there any way to 'lock' the first field so that, for example, the customer's name remains visible when you scroll horizontally?

    Thanks,

    Bruce
    Last edited by bruce2g; 01-02-2012, 05:59 AM. Reason: related question

    #2
    Re: Keep Vertical Scroll Bar Visible?

    How did you create a horizontal scroll bar ? This is de Web/Browser section of the messageboard; are you building a web application or a desktop application?
    Frank

    Tell me and I'll forget; show me and I may remember; involve me and I'll understand

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      #3
      Re: Keep Vertical Scroll Bar Visible?

      Thanks for the question: it turns out the horizontal scroll bar was the browser's scroll bar since I was using the default view width of 100%. I changed the scroll region width to 8in and now the grid has its own horizontal scroll bar which works fine.

      This got me thinking: can I program the vertical scroll bar? I would like to make it scroll through all of the records, by translating the scroll box position into a request for a specific page, and then to scroll within the page. I would have the number of records per page equal to twice the number visible in the grid. Call that nPageRecords, with total records = nRecords. Then, if the scroll bar is in position y (from 0 to 100), I would call something like grid.gotopage((nRecords * (y / 100)) div nPageRecords), and then call grid.setscrollposition((nRecords * (y / 100)) mod nPageRecords) (actually I would never scroll more than halfway through a page).

      Does anyone know if this is possible?

      Also, it'd be nice if there were a way to lock first column.

      Bruce

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