print to printer from a vb.net app

how do I print a textbox and a listbox to my printer from a vb.net app?

Quote:

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Originally posted by yulyos
how do I print a textbox and a listbox to my printer from a vb.net app?

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Code:

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'it does not matter what size of text box. It will create the paper size printout
'Add PrintPreviewDialog, PrintDocument and PageSetup

Public Class PrintTextForm
    Inherits System.Windows.Forms.Form

#Region " Windows Form Designer generated code "
#End Region

    Private Sub PrintDocument1_PrintPage(ByVal sender As Object, ByVal e As System.Drawing.Printing.PrintPageEventArgs) Handles PrintDocument1.PrintPage
        Dim txtFont As New Font("Arial", 10)
        Dim LMargin As Integer = PrintDocument1.DefaultPageSettings.Margins.Left
        Dim TMargin As Integer = PrintDocument1.DefaultPageSettings.Margins.Top
        Dim txtH As Integer = _
          PrintDocument1.DefaultPageSettings.PaperSize.Height - _
          PrintDocument1.DefaultPageSettings.Margins.Top - _
          PrintDocument1.DefaultPageSettings.Margins.Bottom
        Dim txtW As Integer = _
          PrintDocument1.DefaultPageSettings.PaperSize.Width - _
          PrintDocument1.DefaultPageSettings.Margins.Left - _
          PrintDocument1.DefaultPageSettings.Margins.Right
        Dim linesPerPage As Integer = _
          e.MarginBounds.Height / txtFont.GetHeight(e.Graphics)
        Dim R As New RectangleF(LMargin, TMargin, txtW, txtH)
        Static line As String
        Dim word As String
        Dim cols, lines As Integer
        word = GetNextWord()
        While word <> "" And lines < linesPerPage
            line = line & word
            word = GetNextWord()
            e.Graphics.MeasureString(line & word, txtFont, New SizeF(txtW, txtH), _
                                    New StringFormat(), cols, lines)
        End While
        If word = "" And Trim(line) <> "" Then
            e.Graphics.DrawString(line, txtFont, Brushes.Black, R, _
                                  New StringFormat())
            e.HasMorePages = False
            Exit Sub
        End If
        e.Graphics.DrawString(line, txtFont, Brushes.Black, R, New StringFormat())
        e.HasMorePages = True
        line = word
    End Sub

    Function GetNextWord(Optional ByVal reset As Boolean = False) As String
        Static currPos As Integer
        Dim word As String

        If reset Then currPos = 0
        If currPos >= TextBox1.Text.Length Then Return ""
        While Not System.Char.IsLetterOrDigit(TextBox1.Text.Chars(currPos))
            word = word & TextBox1.Text.Chars(currPos)
            currPos = currPos + 1
            If currPos >= TextBox1.Text.Length Then Return word
        End While
        While Not (System.Char.IsWhiteSpace(TextBox1.Text.Chars(currPos)))
            word = word & TextBox1.Text.Chars(currPos)
            currPos = currPos + 1
            If currPos >= TextBox1.Text.Length Then Return word
        End While
        Return word
    End Function

    Dim textToPrint As String

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        textToPrint = TextBox1.Text

        PageSetupDialog1.PageSettings = PrintDocument1.DefaultPageSettings
        If PageSetupDialog1.ShowDialog() = DialogResult.OK Then
            PrintDocument1.DefaultPageSettings = PageSetupDialog1.PageSettings
        End If
        Try
            PrintPreviewDialog1.Document = PrintDocument1
            PrintPreviewDialog1.ShowDialog()
        Catch exc As Exception
            MsgBox("Print operation failed " & vbCrLf & exc.Message)
        End Try
    End Sub

End Class

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