source: branch/egtra-gdiplus/Classes/System/OperatingSystem.ab

' Classes/System/OperatingSystem.ab

#ifndef __SYSYTEM_OPERATINGSYSTEM_AB__
#define __SYSYTEM_OPERATINGSYSTEM_AB__

#require <Classes/System/Version.ab>

Class OperatingSystem
    ' Inherits ICloneable', ISerializable
Public
    ' Constractor
    Sub OperatingSystem(platform As PlatformID, version As Version)
        pf = platform
        ver = version
        sp = ""
    End Sub

    Sub OperatingSystem(vi As OSVERSIONINFOA)
        pf = vi.dwPlatformId As PlatformID
        ver = New Version(vi.dwMajorVersion, vi.dwMinorVersion, vi.dwBuildNumber)
        sp = New String(vi.szCSDVersion As PCSTR)
    End Sub

    Sub OperatingSystem(vi As OSVERSIONINFOW)
        pf = vi.dwPlatformId As PlatformID
        ver = New Version(vi.dwMajorVersion, vi.dwMinorVersion, vi.dwBuildNumber)
        sp = New String(vi.szCSDVersion As PCSTR)
    End Sub

    ' Properties
    Const Function Platform() As PlatformID
        Return pf
    End Function

    Const Function Version() As Version
        Return ver
    End Function

    Const Function ServicePack() As String
        Return sp
    End Function

    Const Function VersionString() As String
        Select Case pf
            Case PlatformID.Win32S
                VersionString = "Microsoft Win32S "
            Case PlatformID.Win32Windows
                VersionString = "Microsoft Windows "
            Case PlatformID.Win32NT
                VersionString = "Microsoft Windows NT "
            Case PlatformID.WinCE
                VersionString = "Microsoft Windows CE "
            Case PlatformID.Unix
                VersionString = "<unknown> "
        End Select
        VersionString = VersionString + ver.ToString
        If String.IsNullOrEmpty(sp) <> False Then
            VersionString = VersionString + " " + sp
        End If
    End Function

    ' Methods
    Override Function ToString() As String
        Return VersionString
    End Function

    Override Function GetHashCode() As Long
        Return pf.GetHashCode Xor ver.GetHashCode Xor sp.GetHashCode
    End Function

Private
    pf As PlatformID
    ver As Version
    sp As String
End Class

Enum PlatformID
    Win32S = VER_PLATFORM_WIN32s '0
    Win32Windows = VER_PLATFORM_WIN32_WINDOWS '1
    Win32NT = VER_PLATFORM_WIN32_NT '2
    WinCE = VER_PLATFORM_WIN32_CE '3
    Unix = 4
End Enum

#endif '__SYSYTEM_OPERATINGSYSTEM_AB__