Microsoft KB Archive/141680

= BUG: Error Occurs When Printing a Form Stored in an Array =

Article ID: 141680

Article Last Modified on 12/9/2003

-

APPLIES TO


 * Microsoft Visual Basic 4.0 Standard Edition
 * Microsoft Visual Basic 4.0 Professional Edition
 * Microsoft Visual Basic 4.0 Professional Edition
 * Microsoft Visual Basic 4.0 16-bit Enterprise Edition
 * Microsoft Visual Basic 4.0 32-Bit Enterprise Edition

-



This article was previously published under Q141680



SYMPTOMS
An application error occurs when calling the Print method of a form object contained within a form array.



RESOLUTION
To work around this problem, define a non-array form variable and set the variable to reference the form array element that you want to manipulate. Once this variable has been initialized, you can safely call the Print method of the newly defined Form variable, as shown in the example below: Private Sub Form_Load Dim MyForm As Form Dim fl(1) As Form2 Set fl(0) = New Form2 Set MyForm = fl(0) MyForm.Show 'Show the Form2 form MyForm.Print 'Print the form to the screen End Sub



STATUS
Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. Microsoft is researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.



Steps to Reproduce Problem
 Start Visual Basic 4.0 or if it is already running, click New Project on the File menu.  Copy the following code to the Code window of the Form1 form: Private Sub Form_Load Dim fl(1) As Form2 Set fl(0) = New Form2 fl(0).Show 'Show the Form2 form fl(0).Print 'Print the form to the screen End Sub  On the Insert menu, click Form to insert a second form into the project. On the Run menu, click start or press the F5 key to start the program. An application error occurs displaying one of the following messages and Visual Basic ends. The error occurs when the form array element's Print method is called.

     32-bit Visual Basic Windows NT 3.51-An application error has occurred and an                        application error log is being generated. VB32.exe. Exception illegal instructions (0xc000001d), Address: (0x001818b3)

Windows 95/98-VB32 executed an invalid instruction in module at 0000:00562eb3.

<pre class="fixed_text">     16-bit Visual Basic under all operating systems VB caused a General Protection Fault in module VBA2.DLL at        0009:87FD.

Keywords: kbbug kbpending KB141680

-

[mailto:TECHNET@MICROSOFT.COM Send feedback to Microsoft]

© Microsoft Corporation. All rights reserved.