Microsoft KB Archive/151081

= BUG: Incorrect Error Message When Setting Read-Only Count Prop =

Article ID: 151081

Article Last Modified on 6/28/2004

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APPLIES TO


 * Microsoft Visual Basic 5.0 Learning Edition
 * Microsoft Visual Basic 6.0 Learning Edition
 * Microsoft Visual Basic 5.0 Professional Edition
 * Microsoft Visual Basic 6.0 Professional Edition
 * Microsoft Visual Basic 5.0 Enterprise Edition
 * Microsoft Visual Basic 6.0 Enterprise Edition
 * 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

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This article was previously published under Q151081



SYMPTOMS
When trying to set the Count property of the Forms collection, the following error message is displayed:

Error 380 - Invalid Property Value

This error message is incorrect. Visual Basic should display an error message indicating that the property is read-only at run time.



RESOLUTION
Do not try to set the Count property of the Forms collection. This property is read-only because it describes the number of open forms of the project. The Count property can only be set indirectly by loading and unloading forms.



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



Steps to Reproduce Problem
 Start a new project in Visual Basic. Form1 is created by default.  In the Load event for Form1, place the following code: Private Sub Form_Load Dim x As Object Set x = Forms x.Count = 1 End Sub  Run the project by pressing the F5 key. The following error results:

Error 380 - Invalid Property Value



Additional query words: kbVBp400bug kbVBp500bug kbVBp600bug kbVBp kbdsd kbDSupport kbvba

Keywords: kbbug KB151081

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