Adobe Community: AcroPdf Active X control with Reader 9.0

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1. (Leonard_Rosenthol),

Jul 2, 2008 3:40 PM in reply to (mohit)

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When you install Adobe Reader, it installs the ActiveX along with it - nothing extra to install. I assume you uninstalled all other versions of Reader when you did so - yes?

What "memory management issues" are you referring to?

Leonard

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2. (dscJoseph),

Oct 13, 2008 12:02 AM in reply to (mohit)

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Dear Rosenthol :

I come from taiwan ^^

I have the same problem in the forms

http://www.adobeforums.com/webx/.59b5b204

Leonard Rosenthol, "C#, App.Exit() is not closing Acrobat process." #1, 10 Oct 2008 1:07 pm

When we exit the application, we see an error message "Cannot read the memory at ...."

===

My old program is 7.0, are normal before, but updated to 9.0, will appear on the attached map(i send mail to you) error.
Are there any ways to solve it?
Thank you very much~

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3. (Kavish_Taukoordass),

Jan 30, 2009 4:10 AM in reply to (mohit)

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Hi all,

We are getting the same issue when switching from Adobe Reader version 8.0 to 9.0.

We have a C# application which loads PDF documents on a WinForm using the AxAcroPDF component. When the form is loaded and unloaded multiple times and then the main application exited, the following is obtained:

Application error:
i The instruction at .... referenced memory at ....... The memory could not be "read"

Has a fix/patch been released for this?

The issue does not occur when uninstalling Adobe reader 9.0 and reinstalling Adobe reader 8.0.

Many thanks,
Kavish

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4. GP Gerrie,

Feb 27, 2009 12:16 AM in reply to (mohit)

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Any news on this issue?

Try running the BasicIacOCXCS example found in Acrobat 9 SDK.
this will give you the error as mentioned above.

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5. (Leonard_Rosenthol),

Feb 27, 2009 6:47 AM in reply to (mohit)

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I believe that this problem has been corrected for a future update.

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6. (mohit),

Mar 3, 2009 3:58 PM in reply to (mohit)

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Thanks for the reply. Can you tell us what can we do in the mean time? Also, what is the release date of your next update?

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7. (DarshanManjunath),

Mar 6, 2009 11:11 PM in reply to (mohit)

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Hi all ,

We are facing similar problem on press of tab.

In Windows application we are using AcroPDF.dll to load Reader 9.0.
When we run the application PDF is Loaded sucessfully , but later when we press tab application closes with an Error .

"Attempted to read or write protected memory. This is often an indication that other memory is corrupt."

Are there any ways to solve this?

Thanks,
gmdarsh

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8. GP Gerrie,

Mar 11, 2009 7:46 AM in reply to (mohit)

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I've just downloaded and tested the last release.
Stil having the same problem.

To reproduce the problem:
- Download Acrobat 9 SDK
- Run BasicIacOCXCS (compiled!!)
- Open 2 PDF files
- Close the application

Memory Read or Write Exception !

Can somebody tell me how too fix this ??

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9. (Ian_McCloy),

Apr 3, 2009 12:58 PM in reply to (mohit)

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I fixed this problem guys

Just put the AxAcroPDF object inside a panel on your windows form then add a OnClosing event for the form and with the following I don't get the errors any more

private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
Controls.Remove(panel1);
System.Threading.Thread.Sleep(500);
}

without the sleep call I would sometimes get the error, I didn't fiddle with the sleep time though.

Hope this helps!
CodingMoose

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10. ekb0211,

Jun 5, 2009 2:11 PM in reply to (Ian_McCloy)

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CodingMoose ,

This only fixes it for people that are getting the error when closing the form, right?

I am having the same problem as DarshanManjunath - we're both getting this error when hitting tab while the pdf viewer has focus on the form.

Any idea how to avoid the error in this case? Thanks!

EDIT: I guess that was the case for the original post on this thread, sorry!

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11. Jigar Chhadwa,

Feb 26, 2010 1:07 AM in reply to (mohit)

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I just found the solution at the following link:
http://stackoverflow.com/questions/1...sing-problem-c

It uses the following code:

    [System.Runtime.InteropServices.DllImport("ole32.dll")]
    static extern void CoFreeUnusedLibraries();

    private void Form2_FormClosing(object sender, FormClosingEventArgs e)
    {
        if (axAcroPDF1 != null)
        {
            axAcroPDF1.Dispose();
            System.Windows.Forms.Application.DoEvents();
            CoFreeUnusedLibraries();
        }
    }

I used it, and found no errors :-)

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12. stefan_ch,

Mar 16, 2010 4:01 AM in reply to Jigar Chhadwa

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This doesn't work for me. A working solution is over here:

http://stackoverflow.com/questions/1359616/axacropdflib-at-closing-pro blem-c

Bye

Stefan

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Acrobat SDK

AcroPdf Active X control with Reader 9.0

Jul 2, 2008 10:39 AM

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