CreateObject( "Outlook.application") : Cannot create ActiveX component

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I am trying to create an email from VB.net.
The code is as follows

VB

Imports Outlook = Microsoft.Office.Interop.Outlook
Public Class InputForm
Private Sub EmailTeam_Click(sender As Object, e As EventArgs) Handles EmailTeam.Click

        Dim Subject As String
        Dim Recipient As String
        Dim Message As String
        Subject = "My Team"
        Recipient = "myemail@address"
        Message = " Team details"
        SendOutlookMail(Subject, Recipient, Message)
    End Sub
    Public Sub SendOutlookMail(Subject As String, Recipient As _
String, Message As String)

        On Error GoTo errorHandler
        Dim oLapp As Outlook.Application
        Dim oItem As Object
       
        oLapp = CreateObject("Outlook.application")
        oItem = oLapp.CreateItem(0)

        With oItem
            .Subject = Subject
            .To = Recipient
            .body = Message
            .Display()
            '.Send()
        End With

        oLapp = Nothing
        oItem = Nothing


        Exit Sub

errorHandler:
        oLapp = Nothing
        oItem = Nothing
        Exit Sub


    End Sub
End Class

But when it gets to
oLapp = CreateObject("Outlook.application")
it jumps to the errorHandler: and exits the sub routine.
Why does CreateObject("Outlook.application") not work?
I am a beginner so any help is gratefully received.

Dave

[edit: updated question title /manchanx]

Posted 19-Mar-15 10:20am

Dave the Golfer

Updated 22-Mar-15 1:19am

Chris Maunder773K

v3

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Comments

ZurdoDev 19-Mar-15 16:29pm

Why doesn't it work? We could guess but I'm sure the error would tell you why. Please share it.

[no name] 19-Mar-15 16:43pm

I don't know a lot about VB and I just had to google that "errorHandler:" thing. From what I quick-read there it's deprecated. Use try-catch-finally instead (see https://msdn.microsoft.com/en-us/library/fk6t46tz.aspx). It will give you in most cases a decent error (exception) message that gives you a clue about what went wrong. If that message doesn't help you to resolve the issue, post the message here please.

Dave the Golfer 19-Mar-15 16:55pm

I do not get an error message but when I have run my code I get this output.

'MatchManagement.vshost.exe' (CLR v4.0.30319: MatchManagement.vshost.exe): Loaded 'D:\My Documents on D\Visual Studio Projects\Match Management Application\MatchManagement\bin\Debug\MatchManagement.exe'. Symbols loaded.
'MatchManagement.vshost.exe' (CLR v4.0.30319: MatchManagement.vshost.exe): Loaded 'C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\Accessibility\v4.0_4.0.0.0__b03f5f7f11d50a3a\Accessibility.dll'. Cannot find or open the PDB file.
'MatchManagement.vshost.exe' (CLR v4.0.30319: MatchManagement.vshost.exe): Loaded 'C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Runtime.Remoting\v4.0_4.0.0.0__b77a5c561934e089\System.Runtime.Remoting.dll'. Cannot find or open the PDB file.
'MatchManagement.vshost.exe' (CLR v4.0.30319: MatchManagement.vshost.exe): Loaded 'C:\WINDOWS\Microsoft.Net\assembly\GAC_MSIL\System.Configuration\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Configuration.dll'. Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
A first chance exception of type 'System.Exception' occurred in Microsoft.VisualBasic.dll
The program '[4464] MatchManagement.vshost.exe' has exited with code -1 (0xffffffff).

Dave the Golfer 19-Mar-15 17:06pm

Whilst debugging I set a breakpoint and used F11 to step through code.
Having got to the errorhandler I moved the arrow back to the start of the subroutine and carried on stepping.
On reaching the line oLapp = CreateObject("Outlook.application") I got the following error;
An unhandled exception of type 'System.Exception' occurred in Microsoft.VisualBasic.dll

Additional information: Cannot create ActiveX component.

[no name] 19-Mar-15 17:18pm

I'm sorry, I'm unable to help you with this. I updated the title of your question to hopefully "attract" someone who can help you with this.

Dave the Golfer 19-Mar-15 17:26pm

It is annoying but the same line of code works in VBA and Excel.

Member 14097035 24-Dec-18 7:06am

How to set priority of outlook mail using ActiveXObject??

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Dave the Golfer · Accepted Answer · 2015-03-20T12:10:00

Solution 1

I have now solved the problem.
I originally had Office 2007.
I loaded Office 365. When I was happy with 365 I unloaded Office 2007. This it seems damaged Office 365.
I have now run a repair and all is OK. Thanks for all your support.

Posted 20-Mar-15 12:10pm

Dave the Golfer