Bonjour,

voici mon code :
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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Try
            Dim stream As New FileStream(Me.FilePath, FileMode.Open, FileAccess.ReadWrite)
            Dim Writer As New BinaryWriter(stream)
            If Me.CheckBox1.Checked = True Then
                Writer.BaseStream.Position = &H7074
                Dim hex As String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
                Writer.Write('hex) <= non fonctionnel
            End If
            stream.Close()
            Writer.Close()
            MessageBox.Show("Fichier Enregistrer!", "Enregistrement", MessageBoxButtons.OK, MessageBoxIcon.Information)
        Catch exception1 As Exception
            ProjectData.SetProjectError(exception1)
            Dim exception As Exception = exception1
            Interaction.MsgBox(Conversion.ErrorToString, MsgBoxStyle.ApplicationModal, Nothing)
            ProjectData.ClearProjectError()
        End Try
Pouvez-vous me dire comment enregistrer en hexadecimale avec binaryWriter?
merci de votre compréhension,