Imports System.IO
Imports System.Xml
Imports System.Xml.Schema

Imports System.Data
Imports System.Data.SqlTypes
Imports System.Data.SqlClient

Public Class frmErrorAVQ_File
    Private m_Success As Boolean = True
    Dim Resultat As String = ""

    Dim intFilename As String

    Sub New(ByVal filename As String)
        MyBase.New()
        InitializeComponent()
        intFilename = filename
    End Sub
    Private Sub frmErrorAVQ_File_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Me.TextBox1.Text = Get_FileInhalt(intFilename)
        Me.Label4.Text = intFilename
    End Sub

    Private Function Get_FileInhalt(ByVal filename As String)

        Dim resultat As String = ""
        Dim daten As String()
        daten = IO.File.ReadAllLines(filename, System.Text.Encoding.GetEncoding("ISO-8859-1"))
        Dim int As Integer
        Dim l As Integer = 0
        Dim z As Integer = 0
        For Each s As String In daten
            l = l + 1
            z = 0
            For Each ch As Char In s
                z = z + 1
                If ch = "" Then
                    resultat = resultat & "Zeile " & Trim(Str(l)) & ", Pos. " & Trim(Str(z)) & ": ungültiges Zeichen: " & ch & vbTab & daten(l - 1) & vbNewLine
                End If
                'int = Microsoft.VisualBasic.AscW(ch).Parse(Globalization.NumberStyles.HexNumber)
                'If Microsoft.VisualBasic.AscW(ch) <= 31 Then
                '    int = Microsoft.VisualBasic.AscW(ch).Parse(Globalization.NumberStyles.HexNumber)
                '    If Microsoft.VisualBasic.AscW(ch) <> 9 Then
                '        Try
                '            resultat = resultat & "Zeile " & Trim(Str(l)) & ", Pos. " & Trim(Str(z)) & " ungültiges Zeichen:" & ch
                '        Catch ex As Exception
                '            resultat = resultat & "Zeile " & Trim(Str(l)) & ", Pos. " & Trim(Str(z)) & " ungültiges Zeichen"
                '        End Try
                '    End If
                'End If
            Next
        Next
        Return resultat
    End Function

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Me.Close()
    End Sub

    Dim instance As XmlReaderSettings
    Dim handler As ValidationEventHandler

    Private Function xx(ByVal infile As String) As String
        Dim settings As XmlReaderSettings = New XmlReaderSettings()
        settings.CheckCharacters = True
        settings.ValidationType = ValidationType.Schema
        settings.ValidationFlags = settings.ValidationFlags Or XmlSchemaValidationFlags.ProcessInlineSchema
        settings.ValidationFlags = settings.ValidationFlags Or XmlSchemaValidationFlags.ReportValidationWarnings
        AddHandler settings.ValidationEventHandler, AddressOf ValidationCallBack

        ' Create the XmlReader object.
        Dim reader As XmlReader = XmlReader.Create(infile, settings)

        ' Parse the file. 
        While (reader.Read())
        End While
    End Function

    ' Display any warnings or errors.
    Private Shared Sub ValidationCallBack(ByVal sender As Object, ByVal args As ValidationEventArgs)
        If (args.Severity = XmlSeverityType.Warning) Then
            Console.WriteLine("   Warning: Matching schema not found.  No validation occurred." + args.Message)
        Else
            Console.WriteLine("   Validation error: " + args.Message)
        End If
    End Sub

    'Private Function validatexml(ByVal infile As String) As Boolean
    '    'First we create the xmltextreader
    '    Dim xmlr As New XmlTextReader(infile)
    '    'We pass the xmltextreader into the xmlvalidatingreader
    '    'This will validate the xml doc with the schema file
    '    'NOTE the xml file it self points to the schema file
    '    Dim xmlvread As New XmlValidatingReader(xmlr)

    '    ' Set the validation event handler
    '    AddHandler xmlvread.ValidationEventHandler, AddressOf ValidationCallBack
    '    m_Success = True 'make sure to reset the success var

    '    ' Read XML data
    '    Try
    '        While (xmlvread.ReadContentAsString)
    '        End While
    '    Catch ex As Exception
    '        Resultat = Resultat + ex.Message + vbNewLine
    '    End Try
    '    'Close the reader.
    '    xmlvread.Close()

    '    'The validationeventhandler is the only thing that would set m_Success to false
    '    Return m_Success

    'End Function
    'Private Sub ValidationCallBack(ByVal sender As Object, ByVal args As ValidationEventArgs)
    '    'Display the validation error.  This is only called on error
    '    m_Success = False 'Validation failed
    '    'Resultat = Resultat + (args.Message + vbNewLine)
    'End Sub

End Class