'AddressOf' expression cannot be converted to 'Integer' because 'Integer' is not a delegate type, how do I fix this?

I upgraded a vb6 application to  vb.net.
But the upgrade compilation error says 'AddressOf' expression cannot be converted to 'Integer' because 'Integer' is not a delegate type

I found this to be the declaration:

Public Declare Function udfEnumDateFormats Lib "kernel32"  Alias "EnumDateFormatsA"(ByVal lpDateFmtEnumProc As Integer, ByVal Locale As Integer, ByVal dwFlags As Integer) As Integer

And here is the call:

Call udfEnumDateFormats(AddressOf udfEnumCalendarDate, lngLCID, g_lngDATE_SHORTDATE)

Public Function udfEnumCalendarDate(ByRef p_lngDateFormatString As Integer) As Integer
            udfEnumCalendarDate = 1
      End Function

How do I fix this?
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Naitik GamitSoftware DeveloperCommented:
The length of Integers and Longs is different in VB6 than in VB.NET. So in .NET you need to use Integer anytime you used a Long in VB6.

look at this link:

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Visual Basic.NET

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