TSOP Print Error

[12345qwertt]

Hi,

    I have customised CVI Operator Interface available with TestStand3.5. My requirement was put a PRINT button and on pressing that button,  print an html report from user defined location. To print HTML file,  I used APIs available with ie.fp available in ActiveX examples available with CVI. I used "Navigate" and "ExecWb" functions with print parametrs of IWebBrowser2. I was able to execute all the functions except ExecWb where I am getting error. The activex error I am receiving are, "unknown error" or "stub received bad data". If I am executing a standalone print program without integrating with operator interface code, I am able to print properly. I am using CVI8.1. Any help would highly appreciated.....Thanks in advance

Best Regards,

                 Vijay

[Steak McDAX]

Hi Vijay,

Hope you had a nice holiday! There are a few things we could try with the CVI Operator Interface.  The first option we have is using the Query Status WB function.  This will return the status when opening the web browser.  If the status returns a 0, then web browser has not successfully loaded the page yet.  Once the page is opened and loaded properly, it will return a non-zero number.  You could check this status before you try to print the page.

Another option would involve using the CA_VariantSetShort function.  This will allow us to notify the Exec WB function when the page is ready to print.  Place the variant from the CA_VariantSetShort into the "PVA in" parameter of the Exec WB function.  Here is an example:

CA_VariantSetShort (&printOption, 3);
IE_IWebBrowser2ExecWB (ieHandle, NULL, IEConst_OLECMDID_PRINT, IEConst_OLECMDEXECOPT_PROMPTUSER, printOption, NULL);

Also, when you receive these errors, is there an error number?  I hope this helps.  Thanks!

[12345qwertt]

Hi,

          It worked well...... I made a small addition that instead of passing NULL as error info, I passed pointer to error info as it showed an error of "Null pointer to stub"......Anyway it worked out. Thank you so much for your help.......