An ISAPI project to send a page with an image to the browser

This article describes an ISAPI project to send a page containing an image to the browser. The image itself is somewhere under the root directory, you must hardcode its location into the program or change the provided source to load from registry.

The ISAM generates a page that contains an IMG tag with the SRC field pointing to the ISAM itself with a GetImage command (see the html source for the dinamically generated page).

The full source code for the ISAM is provided, you will have to compile it in order to get a working site. Before compiling you will have to change some constants in the code: the module location and the image location. These constants are found in the isam.cpp file. Once you have compiled the project with correct site location and image location you will need to take the following steps to install:

  • Create a directory under your http server root for the project
  • Copy the isam.dll file and the image to this directory (the image location must be the same you specified in the isam.cpp file)
  • Create a virtual directory in your http server to access the dll (remember to grant execute rights). The name of the directory must be the same you set in the project

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Last updated: 10 June 1998


  • Push server

    Posted by Legacy on 05/02/2002 12:00am

    Originally posted by: KC

    How do I modify the code so that it pushes an image to client browser, say, in every 5 seconds ? 

  • A small error in ISAM.cpp file

    Posted by Legacy on 02/26/2002 12:00am

    Originally posted by: Sinisha Ristich

    There is a small error in isam.cpp file:

    There shoud be:
    static const TCHAR szImageLocation[] = _T("c:\\inetpub\\wwwroot\\isapitest\\image\\car1.jpg");

    instead of:

    static const TCHAR szImageLocation[] = _T("c:\\inetpub\wwwroot\\isapitest\\image\\car1.jpg");

  • Source Code for ISAM.dll

    Posted by Legacy on 04/17/2001 12:00am

    Originally posted by: Shyam

    The ZIP file is not working kept for download.

  • How to activate the ispai .dll from a browser?

    Posted by Legacy on 04/18/2000 12:00am

    Originally posted by: Andy

    After I did according to the above steps, how to activate the ispai .dll from a browser?

  • ISAPI for downloading Images in the Browser using DLL

    Posted by Legacy on 03/19/1999 12:00am

    Originally posted by: M.Sukumar

    Would anyone let me know how to use this with creating the directories. I have done everything the title and other text comes in but Image doesn't, While opening it gives an exception stating Sharing Violation. Hope any one will solve this.


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