How to create dll file in visual basic 6 You can give me internet site too.

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http://www.windowsdevcenter.com/pub/a/windows/2005/04/26/create_dll.html

Option Explicit

Public Const DLL_PROCESS_DETACH = 0
Public Const DLL_PROCESS_ATTACH = 1
Public Const DLL_THREAD_ATTACH = 2
Public Const DLL_THREAD_DETACH = 3

Public Function DllMain(hInst As Long, fdwReason As Long,
lpvReserved As Long) As Boolean
Select Case fdwReason
Case DLL_PROCESS_DETACH
' No per-process cleanup needed
Case DLL_PROCESS_ATTACH
DllMain = True
Case DLL_THREAD_ATTACH
' No per-thread initialization needed
Case DLL_THREAD_DETACH
' No per-thread cleanup needed
End Select
End Function

Public Function Increment(var As Integer) As Integer
If Not IsNumeric(var) Then Err.Raise 5

Increment = var + 1
End Function

Public Function Decrement(var As Integer) As Integer
If Not IsNumeric(var) Then Err.Raise 5

Decrement = var - 1
End Function

Public Function Square(var As Long) As Long
If Not IsNumeric(var) Then Err.Raise 5

Square = var ^ 2
End Function

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1) start a new project of "ActiveX DLL" type.

2) Type the code into the class modules.

3) Compile it.

Not all editions of VB-6 have the capability to create DLL files. Working Model nad Learning editons don't. You need something like the Standard, Professional, or Enterprise edition in order to compile the class modules into a DLL file.

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