Imports System
Imports System.Collections.Generic
Imports System.ComponentModel
Imports System.Data
Imports System.Drawing
Imports System.Linq
Imports System.Text
Imports System.Threading.Tasks
Imports System.Windows.Forms
' make sure that using System.Diagnostics; is included
Imports System.Diagnostics
' make sure that using System.Security.Principal; is included
Imports System.Security.Principal
' make sure that using System.IO; is included
Imports System.IO
' make sure that using System.Drawing.Printing; is included
Imports System.Drawing.Printing
Public Class Form1
Private Verdana11FontSize As Font
Private Reader As StreamReader
Public Sub New()
MyBase.New()
InitializeComponent()
End Sub
Private Sub button1_Click(sender As Object, e As EventArgs) Handles button1.Click
Dim filename As String = textBox1.Text.ToString()
Reader = New StreamReader(filename)
Verdana11FontSize = New Font("Verdana", 10)
Dim pd As New PrintDocument()
AddHandler pd.PrintPage, New PrintPageEventHandler(AddressOf Me.PrintTextFileHandler)
pd.Print()
If Reader IsNot Nothing Then
Reader.Close()
End If
End Sub
Private Sub PrintTextFileHandler(sender As Object, PrinterArgs As PrintPageEventArgs)
Dim g As Graphics = PrinterArgs.Graphics
Dim linesPerPage As Single = 0
Dim yPos As Single = 0
Dim count As Integer = 0
Dim leftMargin As Single = PrinterArgs.MarginBounds.Left
Dim topMargin As Single = PrinterArgs.MarginBounds.Top
Dim line As String = Nothing
linesPerPage = PrinterArgs.MarginBounds.Height / Verdana11FontSize.GetHeight(g)
While count < linesPerPage AndAlso ((InlineAssignHelper(line, Reader.ReadLine())) IsNot Nothing)
yPos = topMargin + (count * Verdana11FontSize.GetHeight(g))
g.DrawString(line, Verdana11FontSize, Brushes.Black, leftMargin, yPos, New StringFormat())
count += 1
End While
If line IsNot Nothing Then
PrinterArgs.HasMorePages = True
Else
PrinterArgs.HasMorePages = False
End If
End Sub
Private Shared Function InlineAssignHelper(Of T)(ByRef target As T, value As T) As T
target = value
Return value
End Function
Private Sub button2_Click(sender As Object, e As EventArgs) Handles button2.Click
Dim filename As String = textBox1.Text.ToString()
Reader = New StreamReader(filename)
Verdana11FontSize = New Font("Verdana", 10)
Dim pd As New PrintDocument()
AddHandler pd.PrintPage, New PrintPageEventHandler(AddressOf Me.PrintTextFileHandler)
pd.Print()
If Reader IsNot Nothing Then
Reader.Close()
End If
End Sub
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
End Sub
Private Sub textBox1_TextChanged(sender As Object, e As EventArgs) Handles textBox1.TextChanged
End Sub
End Class
