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Option Explicit

Public bIsWinNT As Boolean

'Declaring functions that MS not yet publish

'Function numbers after Alias

Declare Function SHRestartSystemMB Lib "shell32" _

Alias "#59" _

(ByVal hOwner As Long, _

ByVal sExtraPrompt As String, _

ByVal uFlags As Long) As Long

Declare Function SHShutDownDialog Lib "shell32" _

Alias "#60" _

(ByVal YourGuess As Long) As Long

Declare Function GetVersionEx Lib "kernel32" _

Alias "GetVersionExA" _

(lpVersionInformation As OSVERSIONINFO) As Long

Type OSVERSIONINFO

dwOSVersionInfoSize As Long

dwMajorVersion As Long

dwMinorVersion As Long

dwBuildNumber As Long

dwPlatformId As Long

szCSDVersion As String * 128

End Type

Public Const EWX_LOGOFF = 0

Public Const EWX_SHUTDOWN = 1

Public Const EWX_REBOOT = 2

Public Const EWX_FORCE = 4

Public Const EWX_POWEROFF = 8

Public Const shrsExitNoDefPrompt = 1

Public Const shrsRebootSystem = 2

Const VER_PLATFORM_WIN32s = 0

Const VER_PLATFORM_WIN32_WINDOWS = 1

Const VER_PLATFORM_WIN32_NT = 2

Declare Sub CopyMemory Lib "kernel32" _

Alias "RtlMoveMemory" _

(pDest As Any, _

pSource As Any, _

ByVal ByteLen As Long)

Declare Function IsTextUnicode Lib "advapi32" _

(lpBuffer As Any, _

ByVal cb As Long, _

lpi As Long) As Long

Public Const IS_TEXT_UNICODE_ASCII16 = &H1

Public Const IS_TEXT_UNICODE_REVERSE_ASCII16 = &H10

Public Const IS_TEXT_UNICODE_STATISTICS = &H2

Public Const IS_TEXT_UNICODE_REVERSE_STATISTICS = &H20

Public Const IS_TEXT_UNICODE_CONTROLS = &H4

Public Const IS_TEXT_UNICODE_REVERSE_CONTROLS = &H40

Public Const IS_TEXT_UNICODE_SIGNATURE = &H8

Public Const IS_TEXT_UNICODE_REVERSE_SIGNATURE = &H80

Public Const IS_TEXT_UNICODE_ILLEGAL_CHARS = &H100

Public Const IS_TEXT_UNICODE_ODD_LENGTH = &H200

Public Const IS_TEXT_UNICODE_DBCS_LEADBYTE = &H400

Public Const IS_TEXT_UNICODE_NULL_BYTES = &H1000

Public Const IS_TEXT_UNICODE_UNICODE_MASK = &HF

Public Const IS_TEXT_UNICODE_REVERSE_MASK = &HF0

Public Const IS_TEXT_UNICODE_NOT_UNICODE_MASK = &HF00

Public Const IS_TEXT_UNICODE_NOT_ASCII_MASK = &HF000

Public Function IsWinNT() As Boolean

Dim osvi As OSVERSIONINFO

osvi.dwOSVersionInfoSize = Len(osvi)

GetVersionEx osvi

IsWinNT = (osvi.dwPlatformId = VER_PLATFORM_WIN32_NT)

End Function

Public Function CheckString(msg As String) As String

If bIsWinNT Then

CheckString = StrConv(msg, vbUnicode)

Else: CheckString = msg

End If

End Function

Public Function GetStrFromPtr(lpszStr As Long, nBytes As Integer) As String

ReDim ab(nBytes) As Byte

CopyMemory ab(0), ByVal lpszStr, nBytes

GetStrFromPtr = GetStrFromBuffer(StrConv(ab(), vbUnicode))

End Function

Public Function GetStrFromBuffer(szStr As String) As String

If IsUnicodeStr(szStr) Then szStr = StrConv(szStr, vbFromUnicode)

If InStr(szStr, vbNullChar) Then

GetStrFromBuffer = Left$(szStr, InStr(szStr, vbNullChar) - 1)

Else: GetStrFromBuffer = szStr

End If

End Function

Public Function IsUnicodeStr(sBuffer As String) As Boolean

Dim dwRtnFlags As Long

dwRtnFlags = IS_TEXT_UNICODE_UNICODE_MASK

IsUnicodeStr = IsTextUnicode(ByVal sBuffer, Len(sBuffer), dwRtnFlags)

End Function