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Use Late Binding To Read Address Book in Outlook

Posted on 2008-10-04
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Last Modified: 2012-05-05
Hi,

I am trying to turn this into a late binding function to read the exchange address book within Outlook for vb.net using VS2003 but I suspect on any version. The reason I am using this is my boss does not want to have to import the reference for Outlook. Thanks for any help. This works if not using late binding. Thanks for any help.
 
Sub Main()
 
        ' TODO: Replace My DL Name with a valid distribution list name.
        Dim sDLName As String = "My DL Name"
 
        ' Create an Outlook application.
        Dim oApp As Outlook._Application = New Outlook.Application()
 
        ' Get the MAPI namespace.
        Dim oNS As Outlook.NameSpace = oApp.Session
 
        ' Get the Global Address List.
        Dim oALs As Outlook.AddressLists = oNS.AddressLists
        Dim oGal As Outlook.AddressList = oALs.Item("Global Address List")
        Console.WriteLine(oGal.Name)
 
        ' Get a specific Distribution List.
        Dim oEntries As Outlook.AddressEntries = oGal.AddressEntries
        ' Reference the Distribution List by name.
        Dim oDL As Outlook.AddressEntry = oEntries.Item(sDLName)
 
        Console.WriteLine(oDL.Name)
        Console.WriteLine(oDL.Address)
 
        ' Get all the members of the Distribution List.
        oEntries = oDL.Members
        Dim oEntry As Outlook.AddressEntry
        Dim i As Integer
 
        For i = 1 To oEntries.Count
            oEntry = oEntries.Item(i)
            Console.WriteLine(oEntry.Name)
        Next
 
        ' Clean up.
        oEntry = Nothing
        oEntries = Nothing
        oGal = Nothing
        oALs = Nothing
        oNS = Nothing
        oApp = Nothing
    End Sub

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Question by:scorpion53061
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9 Comments
 
LVL 47

Accepted Solution

by:
Wayne Taylor (webtubbs) earned 500 total points
ID: 22641397
Try this....
    Sub Main()
 
        ' TODO: Replace My DL Name with a valid distribution list name.
        Dim sDLName As String = "My DL Name"
 
        ' Create an Outlook application.
        Dim oApp As Object = CreateObject("Outlook.Application")
 
        ' Get the MAPI namespace.
        Dim oNS As Object = oApp.Session
 
        ' Get the Global Address List.
        Dim oALs As Object = oNS.AddressLists
        Dim oGal As Object = oALs.Item("Global Address List")
        Console.WriteLine(oGal.Name)
 
        ' Get a specific Distribution List.
        Dim oEntries As Object = oGal.AddressEntries
        ' Reference the Distribution List by name.
        Dim oDL As Object = oEntries.Item(sDLName)
 
        Console.WriteLine(oDL.Name)
        Console.WriteLine(oDL.Address)
 
        ' Get all the members of the Distribution List.
        oEntries = oDL.Members
        Dim oEntry As Object
        Dim i As Integer
 
        For i = 1 To oEntries.Count
            oEntry = oEntries.Item(i)
            Console.WriteLine(oEntry.Name)
        Next
 
        ' Clean up.
        oEntry = Nothing
        oEntries = Nothing
        oGal = Nothing
        oALs = Nothing
        oNS = Nothing
        oApp = Nothing
    End Sub

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Author Comment

by:scorpion53061
ID: 22641412
Ok this is getting me somewhere but will have an error here for you a second.

First, how to suppress the alert?
Second I don't want ot see the address book. I want ot read the entries. For some reason it is showing me the entries dialog.

Thank you much for your help!
0
 
LVL 47

Expert Comment

by:Wayne Taylor (webtubbs)
ID: 22641433
scorpion53061,

I can't test at the moment (no Outlook), but I see no reason why it would act any differently to when you were using early binding. Did the alert popup before?

Wayne
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Author Comment

by:scorpion53061
ID: 22641463
Ok here is the error (in picture file) and code as it stands now.

' Create an Outlook application.
        Dim oApp As Object = CreateObject("Outlook.Application")

        ' Get the MAPI namespace.
        Dim oNS As Object = oApp.Session

        ' Get the Global Address List.
        Dim oALs As Object = oNS.AddressLists
        Dim oGal As Object = oALs.Item("Global Address List")
        Debug.WriteLine(oGal.Name)

        ' Get a specific Distribution List.
        Dim oEntries As Object = oGal.AddressEntries
        ' Reference the Distribution List by name.
        Dim oDL As Object = oEntries.Item(1)

        Debug.WriteLine(oDL.Name)
        Debug.WriteLine(oDL.Address)

        ' Get all the members of the Distribution List.
        oEntries = oDL.Members

        Dim oEntry As Object
        Dim i As Integer

        For i = 0 To oEntries.Count - 1
            oEntry = oEntries.Item(i)
            Debug.WriteLine(oEntry.Name)
        Next

        ' Clean up.
        oEntry = Nothing
        oEntries = Nothing
        oGal = Nothing
        oALs = Nothing
        oNS = Nothing
        oApp = Nothing

Picture.jpg
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Author Comment

by:scorpion53061
ID: 22641468
No this error did not appear when using early binding. Again thank you for your help.
0
 
LVL 47

Expert Comment

by:Wayne Taylor (webtubbs)
ID: 22641484
Do these 2 lines write something?

    Debug.WriteLine(oDL.Name)
    Debug.WriteLine(oDL.Address)
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Author Comment

by:scorpion53061
ID: 22641498
Yes they do.
0
 

Author Comment

by:scorpion53061
ID: 22642019
Well if I do the loop onGal it will show users but there appears no way to overcome the security prompt issue which makes it useless to me. But I will give you the points for your efforts. And thank you.
0
 

Author Closing Comment

by:scorpion53061
ID: 31503093
It doesnt overcome the security prompt issue but in no way is that the fault of the individual working with me.
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