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8.2

Type Mismatch when passing property variant from out of process exe back to calling process

Asked by docstar in Visual Basic Programming

Tags: com ocx, out of process exe, visual basic 98, vb6

I have an out of process EXE that hosts an OCX UI component on a form. When I create this process I need my calling process to be able to get a reference to that object. Both the Out of process exe and the calling process have a reference to the OCX.
I could not directly expose the OCX Type (called imageWin from here on out). So it is exposed as a type of variant. In my calling process I have a variable of type imageWin, I set this equal to the out of process property.
In development this works fine. The problem is when deployed to another machine a type mismatch (-13) is raised.
See the example below 
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Calling Process Code:
Private Sub Command1_Click()
    Dim dsimage As dsImageExe
    Dim obj As dsimage
    
    Set dsimage = New dsImageExe
    Set obj = dsimage.DSImageObj
    MsgBox obj.AutoRedraw
    
    Set obj = Nothing
    Set dsimage = Nothing
End Sub
 
Out Of Process dsImageExe class code:
Public Property Get DSImageObj() As Variant
    Set DSImageObj = frmMain.DSImage1
End Property
Private Sub Class_Initialize()
    Load frmMain
End Sub
Private Sub Class_Terminate()
    Unload frmMain
End Sub
[+][-]08/31/09 08:48 AM, ID: 25223749Accepted Solution

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About this solution

Zone: Visual Basic Programming
Tags: com ocx, out of process exe, visual basic 98, vb6
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Solution Provided By: docstar
Participating Experts: 1
Solution Grade: A
 
[+][-]08/28/09 01:35 PM, ID: 25211364Author Comment

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[+][-]08/31/09 04:10 AM, ID: 25221859Expert Comment

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