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Get Windows Version

Module Code

Public Type OSVERSIONINFOEX
    dwOSVersionInfoSize As Long
    dwMajorVersion As Long
    dwMinorVersion As Long
    dwBuildNumber As Long
    dwPlatformId As Long
    szCSDVersion As String * 128
End Type

Public Const VER_PLATFORM_WIN32s = 0
Public Const VER_PLATFORM_WIN32_WINDOWS = 1
Public Const VER_PLATFORM_WIN32_NT = 2

Declare Function GetVersionEx Lib "kernel32" _
Alias "GetVersionExA" (lpVersionInformation As OSVERSIONINFOEX) As Long

Form Code

Public Function OSVersion() As String
   
    Dim udtOSVersion As OSVERSIONINFOEX
    Dim lMajorVersion  As Long
    Dim lMinorVersion As Long
    Dim lPlatformID As Long
    Dim sAns As String
   
   
    udtOSVersion.dwOSVersionInfoSize = Len(udtOSVersion)
    GetVersionEx udtOSVersion
    lMajorVersion = udtOSVersion.dwMajorVersion
    lMinorVersion = udtOSVersion.dwMinorVersion
    lPlatformID = udtOSVersion.dwPlatformId
   
    Select Case lMajorVersion
        Case 5
            sAns = "Windows 2000"
        Case 4
            If lPlatformID = VER_PLATFORM_WIN32_NT Then
                sAns = "Windows NT 4.0"
            Else
                sAns = IIf(lMinorVersion = 0, _
                "Windows 95", "Windows 98")
            End If
        Case 3
            If lPlatformID = VER_PLATFORM_WIN32_NT Then
                sAns = "Windows NT 3.x"
            Else
                sAns = "Windows 3.x"
            End If
           
        Case Else
            sAns = "Unknown Windows Version"
    End Select
                   
    OSVersion = sAns
   
End Function

Private Sub Form_Load()
     MsgBox "Windows version detected: " & OSVersion
End Sub

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