ABOUT Visual Basic Programmieren Programmierung Download Downloads Tips & Tricks Tipps & Tricks Know-How Praxis VB VBA Visual Basic for Applications VBS VBScript Scripting Windows ActiveX COM OLE API ComputerPC Microsoft Office Microsoft Office 97 Office 2000 Access Word Winword Excel Outlook Addins ASP Active Server Pages COMAddIns ActiveX-Controls OCX UserControl UserDocument Komponenten DLL EXE
Diese Seite wurde zuletzt aktualisiert am 14.06.2000

Diese Seite wurde zuletzt aktualisiert am 14.06.2000
Aktuell im ABOUT Visual Basic-MagazinGrundlagenwissen und TechnologienKnow How, Tipps und Tricks rund um Visual BasicActiveX-Komponenten, Controls, Klassen und mehr...AddIns für die Visual Basic-IDE und die VBA-IDEVBA-Programmierung in MS-Office und anderen AnwendungenScripting-Praxis für den Windows Scripting Host und das Scripting-ControlTools, Komponenten und Dienstleistungen des MarktesRessourcen für Programmierer (Bücher, Job-Börse)Dies&Das...

Themen und Stichwörter im ABOUT Visual Basic-Magazin
Code, Beispiele, Komponenten, Tools im Überblick, Shareware, Freeware
Ihre Service-Seite, Termine, Job-Börse
Melden Sie sich an, um in den vollen Genuss des ABOUT Visual Basic-Magazins zu kommen!
Informationen zum ABOUT Visual Basic-Magazin, Kontakt und Impressum

Zurück...

Hexadezimale Sichtweisen

Zurück...


Anzeige

(-hg) mailto:hg_hexdump@aboutvb.de

Code der Funktionen im Modul modHexDump.bas

Private Declare Sub CopyMemory Lib "kernel32" _
 Alias "RtlMoveMemory" (pDest As Any, pSrc As Any, _
 ByVal ByteLen As Long)

Public Enum HexStringConstants
  hsANSI
  hsUnicode
End Enum

Public Function StringToHexString(Text As String, _
 Optional ByVal CharMode As HexStringConstants, _
 Optional ByVal ReverseOrder As Boolean = True, _
 Optional Delimiter As String, _
 Optional GroupDelimiter As String, _
 Optional ByVal CharsPerGroup As Long = 4) As String

  Dim nStringHex As String
  Dim nBytes() As Byte
  Dim nPosStringHex As Long
  Dim nChar As Long
  Dim nByteNum As Long
  Dim nDigit As String
  Dim nLenStringHex As Long
  Dim nGroup As String
  Dim nPosGroup As Long
  Dim nLenGroup As Long
  Dim nLenDigit As Long
  Dim nLenDelimiter As Long
  Dim nLenGroupDelimiter As Long
  
  nBytes = Text
  Select Case CharMode
    Case hsUnicode
      If ReverseOrder Then
        If Len(Delimiter) Then
          nLenDelimiter = Len(Delimiter)
          If Len(GroupDelimiter) Then
            nLenGroupDelimiter = Len(GroupDelimiter)
            nLenStringHex = (UBound(nBytes) + 1) * 2 _
             + (Len(Text) - 1) * nLenDelimiter + 2
            If Len(Text) Mod CharsPerGroup Then
              nLenStringHex = nLenStringHex _
               + (Len(Text) \ CharsPerGroup) * nLenGroupDelimiter
            Else
              nLenStringHex = nLenStringHex _
               + ((Len(Text) \ CharsPerGroup) - 1) * nLenGroupDelimiter
            End If
            nStringHex = Space$(nLenStringHex)
            nDigit = Space$(4) & Delimiter
            nLenDigit = Len(nDigit)
            nLenGroup = nLenDigit * CharsPerGroup _
             + nLenGroupDelimiter - nLenDelimiter
            nPosStringHex = 1
            For nChar = 1 To Len(Text)
              nGroup = Space$(nLenGroup)
              For nPosGroup = 0 To CharsPerGroup - 1
                If nByteNum > UBound(nBytes) Then
                  nGroup = Left$(nGroup, nPosGroup * nLenDigit _
                   - nLenDelimiter)
                  Exit For
                End If
                Mid$(nDigit, 3, 2) = _
                 Right$("00" & Hex$(nBytes(nByteNum)), 2)
                Mid$(nDigit, 1, 2) = _
                 Right$("00" & Hex$(nBytes(nByteNum + 1)), 2)
                nByteNum = nByteNum + 2
                Mid$(nGroup, nPosGroup * nLenDigit + 1, nLenDigit) _
                 = nDigit
              Next 'nPosGroup
              If Len(nGroup) = nLenGroup Then
                Mid$(nGroup, nLenGroup - nLenGroupDelimiter + 1, _
                 nLenGroupDelimiter) = GroupDelimiter
              End If
              Mid$(nStringHex, nPosStringHex, nLenGroup) = nGroup
              nPosStringHex = nPosStringHex + nLenGroup
              If nByteNum > UBound(nBytes) Then
                Exit For
              End If
            Next 'nChar
          Else
            nStringHex = Space$((UBound(nBytes) + 1) * 2 _
             + (Len(Text) - 1) * Len(Delimiter))
            nDigit = Space$(4) & Delimiter
            nLenDigit = Len(nDigit)
            nPosStringHex = 1
            For nChar = 1 To Len(Text)
              Mid$(nDigit, 3, 2) = _
               Right$("00" & Hex$(nBytes(nByteNum)), 2)
              Mid$(nDigit, 1, 2) = _
               Right$("00" & Hex$(nBytes(nByteNum + 1)), 2)
              nByteNum = nByteNum + 2
              Mid$(nStringHex, nPosStringHex, nLenDigit) _
               = nDigit
              nPosStringHex = nPosStringHex + nLenDigit
            Next 'nChar
          End If
        Else
          If Len(GroupDelimiter) Then
            nLenGroupDelimiter = Len(GroupDelimiter)
            nLenStringHex = (UBound(nBytes) + 1) * 2
            If Len(Text) Mod CharsPerGroup Then
              nLenStringHex = nLenStringHex _
               + (Len(Text) \ CharsPerGroup) * nLenGroupDelimiter
            Else
              nLenStringHex = nLenStringHex _
               + ((Len(Text) \ CharsPerGroup) - 1) _
               * nLenGroupDelimiter
            End If
            nStringHex = Space$(nLenStringHex)
            nDigit = Space$(4)
            nLenGroup = 4 * CharsPerGroup + nLenGroupDelimiter
            nPosStringHex = 1
            For nChar = 1 To Len(Text)
              nGroup = Space$(nLenGroup)
              For nPosGroup = 0 To CharsPerGroup - 1
                If nByteNum > UBound(nBytes) Then
                  Exit For
                End If
                Mid$(nDigit, 3, 2) = _
                 Right$("00" & Hex$(nBytes(nByteNum)), 2)
                Mid$(nDigit, 1, 2) = _
                 Right$("00" & Hex$(nBytes(nByteNum + 1)), 2)
                nByteNum = nByteNum + 2
                Mid$(nGroup, nPosGroup * 4 + 1, 4) = nDigit
              Next 'nPosGroup
              If Len(nGroup) = nLenGroup Then
                Mid$(nGroup, nLenGroup - nLenGroupDelimiter + 1, _
                 nLenGroupDelimiter) = GroupDelimiter
              End If
              Mid$(nStringHex, nPosStringHex, nLenGroup) = nGroup
              nPosStringHex = nPosStringHex + nLenGroup
              If nByteNum > UBound(nBytes) Then
                Exit For
              End If
            Next 'nChar
          Else
            nStringHex = Space$((UBound(nBytes) + 1) * 2)
            For nPosStringHex = 0 To UBound(nBytes) Step 2
              Mid$(nStringHex, nPosStringHex * 2 + 1, 2) = _
               Right$("00" & Hex$(nBytes(nPosStringHex + 1)), 2)
              Mid$(nStringHex, nPosStringHex * 2 + 3, 2) = _
               Right$("00" & Hex$(nBytes(nPosStringHex)), 2)
            Next 'nPosStringHex
          End If
        End If
      Else
        If Len(Delimiter) Then
          nLenDelimiter = Len(Delimiter)
          If Len(GroupDelimiter) Then
            nLenGroupDelimiter = Len(GroupDelimiter)
            nLenStringHex = (UBound(nBytes) + 1) * 2 _
             + (Len(Text) - 1) * nLenDelimiter + 2
            If Len(Text) Mod CharsPerGroup Then
              nLenStringHex = nLenStringHex + (Len(Text) _
               \ CharsPerGroup) * nLenGroupDelimiter
            Else
              nLenStringHex = nLenStringHex + ((Len(Text) _
               \ CharsPerGroup) - 1) * nLenGroupDelimiter
            End If
            nStringHex = Space$(nLenStringHex)
            nDigit = Space$(4) & Delimiter
            nLenDigit = Len(nDigit)
            nLenGroup = nLenDigit * CharsPerGroup _
             + nLenGroupDelimiter - nLenDelimiter
            nPosStringHex = 1
            For nChar = 1 To Len(Text)
              nGroup = Space$(nLenGroup)
              For nPosGroup = 0 To CharsPerGroup - 1
                If nByteNum > UBound(nBytes) Then
                  nGroup = Left$(nGroup, nPosGroup _
                   * nLenDigit - nLenDelimiter)
                  Exit For
                End If
                Mid$(nDigit, 1, 2) = _
                 Right$("00" & Hex$(nBytes(nByteNum)), 2)
                Mid$(nDigit, 3, 2) = _
                 Right$("00" & Hex$(nBytes(nByteNum + 1)), 2)
                nByteNum = nByteNum + 2
                Mid$(nGroup, nPosGroup * nLenDigit + 1, nLenDigit) _
                 = nDigit
              Next 'nPosGroup
              If Len(nGroup) = nLenGroup Then
                Mid$(nGroup, nLenGroup - nLenGroupDelimiter + 1, _
                 nLenGroupDelimiter) = GroupDelimiter
              End If
              Mid$(nStringHex, nPosStringHex, nLenGroup) = nGroup
              nPosStringHex = nPosStringHex + nLenGroup
              If nByteNum > UBound(nBytes) Then
                Exit For
              End If
            Next 'nChar
          Else
            nStringHex = Space$((UBound(nBytes) + 1) * 2 _
             + (Len(Text) - 1) * Len(Delimiter))
            nDigit = Space$(4) & Delimiter
            nLenDigit = Len(nDigit)
            nPosStringHex = 1
            For nChar = 1 To Len(Text)
              Mid$(nDigit, 1, 2) = _
               Right$("00" & Hex$(nBytes(nByteNum)), 2)
              Mid$(nDigit, 3, 2) = _
               Right$("00" & Hex$(nBytes(nByteNum + 1)), 2)
              nByteNum = nByteNum + 2
              Mid$(nStringHex, nPosStringHex, nLenDigit) _
               = nDigit
              nPosStringHex = nPosStringHex + nLenDigit
            Next 'nChar
          End If
        Else
          If Len(GroupDelimiter) Then
            nLenGroupDelimiter = Len(GroupDelimiter)
            nLenStringHex = (UBound(nBytes) + 1) * 2
            If Len(Text) Mod CharsPerGroup Then
              nLenStringHex = nLenStringHex + (Len(Text) _
               \ CharsPerGroup) * nLenGroupDelimiter
            Else
              nLenStringHex = nLenStringHex + ((Len(Text) _
               \ CharsPerGroup) - 1) * nLenGroupDelimiter
            End If
            nStringHex = Space$(nLenStringHex)
            nDigit = Space$(4)
            nLenGroup = 4 * CharsPerGroup + nLenGroupDelimiter
            nPosStringHex = 1
            For nChar = 1 To Len(Text)
              nGroup = Space$(nLenGroup)
              For nPosGroup = 0 To CharsPerGroup - 1
                If nByteNum > UBound(nBytes) Then
                  Exit For
                End If
                Mid$(nDigit, 1, 2) = _
                 Right$("00" & Hex$(nBytes(nByteNum)), 2)
                Mid$(nDigit, 3, 2) = _
                 Right$("00" & Hex$(nBytes(nByteNum + 1)), 2)
                nByteNum = nByteNum + 2
                Mid$(nGroup, nPosGroup * 4 + 1, 4) = nDigit
              Next 'nPosGroup
              If Len(nGroup) = nLenGroup Then
                Mid$(nGroup, nLenGroup - nLenGroupDelimiter + 1, _
                 nLenGroupDelimiter) = GroupDelimiter
              End If
              Mid$(nStringHex, nPosStringHex, nLenGroup) = nGroup
              nPosStringHex = nPosStringHex + nLenGroup
              If nByteNum > UBound(nBytes) Then
                Exit For
              End If
            Next 'nChar
          Else
            nStringHex = Space$((UBound(nBytes) + 1) * 2)
            For nPosStringHex = 0 To UBound(nBytes)
              Mid$(nStringHex, nPosStringHex * 2 + 1, 2) = _
               Right$("00" & Hex$(nBytes(nPosStringHex)), 2)
            Next 'nPosStringHex
          End If
        End If
      End If
    Case hsANSI
      If Len(Delimiter) Then
        nLenDelimiter = Len(Delimiter)
        If Len(GroupDelimiter) Then
          nLenGroupDelimiter = Len(GroupDelimiter)
          nLenStringHex = (UBound(nBytes) + 1) _
           + (Len(Text) - 1) * nLenDelimiter + 2
          If Len(Text) Mod CharsPerGroup Then
            nLenStringHex = nLenStringHex + (Len(Text) _
             \ CharsPerGroup) * nLenGroupDelimiter
          Else
            nLenStringHex = nLenStringHex + ((Len(Text) _
             \ CharsPerGroup) - 1) * nLenGroupDelimiter
          End If
          nStringHex = Space$(nLenStringHex)
          nDigit = Space$(2) & Delimiter
          nLenDigit = Len(nDigit)
          nLenGroup = nLenDigit * CharsPerGroup _
           + nLenGroupDelimiter - nLenDelimiter
          nPosStringHex = 1
          For nChar = 1 To Len(Text)
            nGroup = Space$(nLenGroup)
            For nPosGroup = 0 To CharsPerGroup - 1
              If nByteNum > UBound(nBytes) Then
                nGroup = Left$(nGroup, nPosGroup * nLenDigit _
                 - nLenDelimiter)
                Exit For
              End If
              Mid$(nDigit, 1, 2) = _
               Right$("00" & Hex$(nBytes(nByteNum)), 2)
              nByteNum = nByteNum + 2
              Mid$(nGroup, nPosGroup * nLenDigit + 1, nLenDigit) _
               = nDigit
            Next 'nPosGroup
            If Len(nGroup) = nLenGroup Then
              Mid$(nGroup, nLenGroup - nLenGroupDelimiter + 1, _
               nLenGroupDelimiter) = GroupDelimiter
            End If
            Mid$(nStringHex, nPosStringHex, nLenGroup) = nGroup
            nPosStringHex = nPosStringHex + nLenGroup
            If nByteNum > UBound(nBytes) Then
              Exit For
            End If
          Next 'nChar
        Else
          nStringHex = Space$((UBound(nBytes) + 1) _
           + (Len(Text) - 1) * nLenDelimiter)
          nDigit = Space$(2) & Delimiter
          nLenDigit = Len(nDigit)
          nPosStringHex = 1
          For nChar = 1 To Len(Text)
            Mid$(nDigit, 1, 2) = _
             Right$("00" & Hex$(nBytes(nByteNum)), 2)
            nByteNum = nByteNum + 2
            Mid$(nStringHex, nPosStringHex, nLenDigit) = nDigit
            nPosStringHex = nPosStringHex + nLenDigit
          Next 'nChar
        End If
      Else
        If Len(GroupDelimiter) Then
          nLenGroupDelimiter = Len(GroupDelimiter)
          nLenStringHex = UBound(nBytes) + 1
          If Len(Text) Mod CharsPerGroup Then
            nLenStringHex = nLenStringHex + (Len(Text) _
             \ CharsPerGroup) * nLenGroupDelimiter
          Else
            nLenStringHex = nLenStringHex + ((Len(Text) _
             \ CharsPerGroup) - 1) * nLenGroupDelimiter
          End If
          nStringHex = Space$(nLenStringHex)
          nDigit = Space$(2)
          nLenGroup = 2 * CharsPerGroup + nLenGroupDelimiter
          nPosStringHex = 1
          For nChar = 1 To Len(Text)
            nGroup = Space$(nLenGroup)
            For nPosGroup = 0 To CharsPerGroup - 1
              If nByteNum > UBound(nBytes) Then
                Exit For
              End If
              Mid$(nDigit, 1, 2) = _
               Right$("00" & Hex$(nBytes(nByteNum)), 2)
              nByteNum = nByteNum + 2
              Mid$(nGroup, nPosGroup * 2 + 1, 2) = nDigit
            Next 'nPosGroup
            If Len(nGroup) = nLenGroup Then
              Mid$(nGroup, nLenGroup - nLenGroupDelimiter + 1, _
               nLenGroupDelimiter) = GroupDelimiter
            End If
            Mid$(nStringHex, nPosStringHex, nLenGroup) = nGroup
            nPosStringHex = nPosStringHex + nLenGroup
            If nByteNum > UBound(nBytes) Then
              Exit For
            End If
          Next 'nChar
        Else
          nStringHex = Space$(UBound(nBytes) + 1)
          For nPosStringHex = 0 To UBound(nBytes) - 1 Step 2
            Mid$(nStringHex, nPosStringHex + 1, 2) = _
             Right$("00" & Hex$(nBytes(nPosStringHex)), 2)
          Next 'nPosStringHex
        End If
      End If
  End Select
  StringToHexString = Trim$(nStringHex)
End Function

Public Function HexStringToString(HexString As String, _
 Optional ByVal CharMode As HexStringConstants, _
 Optional ByVal ReverseOrder As Boolean = True, _
 Optional Delimiter As String, _
 Optional GroupDelimiter As String) As String

  Dim nBytes() As Byte
  Dim l As Long
  Dim nHexString As String
  
  If Len(Delimiter) Then
    nHexString = Replace(HexString, Delimiter, "")
  Else
    nHexString = HexString
  End If
  If Len(GroupDelimiter) Then
    nHexString = Replace(nHexString, GroupDelimiter, "")
  End If
  Select Case CharMode
    Case hsUnicode
      ReDim nBytes(0 To (Len(nHexString) - 1) \ 2)
      If ReverseOrder Then
        For l = 1 To UBound(nBytes) + 1
          nBytes(l - 1) = _
           Val("&H" & Mid$(nHexString, l * 2 + 1, 2))
        Next 'l
      Else
        For l = 0 To UBound(nBytes)
          nBytes(l) = Val("&H" & Mid$(nHexString, l * 2 + 1, 2))
        Next 'l
      End If
    Case hsANSI
      ReDim nBytes(0 To Len(nHexString) - 1)
      For l = 1 To Len(nHexString) - 1 Step 2
        nBytes(l - 1) = Val("&H" & Mid$(nHexString, l, 2))
      Next 'l
  End Select
  HexStringToString = nBytes
End Function

Public Function HexDump(ByVal Ptr As Long, _
 ByVal Bytes As Long, _
 Optional Delimiter As String, _
 Optional GroupDelimiter As String, _
 Optional ByVal CharsPerGroup As Long = 4) As String

  Dim nStr As String
  Dim nHexDump As String
  
  If Bytes And 1 Then
    nStr = String$((Bytes + 1) \ 2, Chr$(0))
  Else
    nStr = String$(Bytes \ 2, Chr$(0))
  End If
  CopyMemory ByVal StrPtr(nStr), ByVal Ptr, Bytes
  nHexDump = StringToHexString(nStr, hsUnicode, False, _
   Delimiter, GroupDelimiter, CharsPerGroup)
  If Bytes And 1 Then
    HexDump = Left$(nHexDump, Len(nHexDump) - 2)
  Else
    HexDump = nHexDump
  End If
End Function

Zurück zu "Hexadezimale Ansichten" Zurück zum Text   

Artikel
Zum Download-Bereich dieses Artikel
Mail an den Autor dieses Artikels

KnowHow
Zur KnowHow-Übersicht

KnowHow-Themen
Themen - Allgemeines
Themen - Entwicklungsumgebung (VB-IDE)
Themen - Forms
Themen - Steuerelemente (Controls)
Themen - Grafik
Themen - Dateien
Themen - UserControls
Themen - Einsteiger-Tipps
Themen - Wussten Sie...?

Übersicht nach Titeln in alphabetischer Reihenfolge
Übersicht nach Erscheinungsdatum

Schnellsuche



Zum Seitenanfang

Copyright © 1999 - 2017 Harald M. Genauck, ip-pro gmbh  /  Impressum

Zum Seitenanfang

Zurück...

Zurück...

Download Internet Explorer