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AuthorForum: PowerWEB Zoom for ASP.NET
Topic: Loading in multiple tiffs, no thumbnail viewer
rdallegro21

From: Jacksonville, FL USA
Posts: 7
Member Since: 02/18/10
posted February 18, 2010 11:24 AM

Hello, I am having some trouble using the zoom control. If I load in individual pages like so, I never see the thumbnails for the additional pages.

      int i = 1;
      foreach (byte[] page in pageList)
      {
        
        Zoom1.LoadImage(page, "image" + i.ToString() + ".tif");
        i++;

      }


If instead I have all the pages in one byte array, it is the same result: only one page shows. There appears to be one thumbnail at the bottom for the current page, but the thumbnail does not show the real image content, it's just a white box.

Here is my asp markup:

<cc1:Zoom ID="Zoom1" ThumbnailHeight="400" ThumbnailWidth="400" ThumbnailFrameStyle-BorderColor="Aqua" runat="server" Height="786px" Width="734px" />

Any idea what I'm doing wrong?

rdallegro21

From: Jacksonville, FL USA
Posts: 7
Member Since: 02/18/10
posted February 18, 2010 11:28 AM

Also of note:

I do see a folder for each page in the PWZoomTiles folder: "image1_tif" and "image2_tif", however, the latest folder (image2) is the only with tiles. Image1 just contains the original tiff and no tiles.
K M Drake



From: Utica, NY USA
Posts: 3406
Member Since: 07/14/00
posted February 18, 2010 3:32 PM

Hi,
Only one image can be loaded into the Zoom control at a time.

The white thumbnail problem should be fixed in the next update to the product (coming soon).

-ken
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