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A public variable Within Classes in DLL

Posted on 2002-07-17
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Last Modified: 2010-05-02
I want to use a public variable in my Activex project, I need that all my calsses will "see" the variable but he wont be visible outside to projects that using my DLL.

Something like "Public DLL" variable.

Can I do it ?

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Question by:computech1
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6 Comments
 
LVL 14

Expert Comment

by:ajexpert
ID: 7159213
Hi,
   Well It would be nice to have a property instead of public variable.
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LVL 4

Expert Comment

by:gencross
ID: 7159238
You will want to use a property and declare it as Friend.  This will give all classes access to the property, but no one outside the DLL.

Friend Property Get IntValue() As Variant

End Property

Friend Property Let IntValue(ByVal vNewValue As Variant)

End Property
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LVL 26

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EDDYKT earned 20 total points
ID: 7159273
Put you valuable on module
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LVL 26

Expert Comment

by:EDDYKT
ID: 7159276
Define your valuable in module.

I can't see my last comment even I reload the question. Strange?
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LVL 4

Expert Comment

by:gencross
ID: 7159278
This property will go in the class module.
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LVL 2

Expert Comment

by:priya_pbk
ID: 7159286
Add a General Module to your DLL project and declare a public variable in it. Like this:

'this goes in the general module of the DLL
Public xt As Integer

Sub Main()
xt = 5
End Sub

Therefore the startup form of your dll project will be Sub main

In the class module , you can access this value
Function mytest() As Integer
MsgBox xt
mytest = 1
'or you assign the value to mytest function
End Function

-------------------------

Therefore when you call this dll after you make an object,..

'In standard exe

Dim p As New pr.Class1
Private Sub Command1_Click()
p.mytest
End sub

Hope this helps!!

-priya

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