Visual Basic.NET - Ayuda alguien que se apiade y me ayude

 
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Ayuda alguien que se apiade y me ayude

Publicado por Oswaldo (14 intervenciones) el 28/04/2006 13:54:25
Bueno bueno he hecho esta pregunta esta solicitud esta ayuda varias veces y no hay nadie que pueda darme ni siquiera un tips un ejemplo algo de como solucionar mi pequeño que se ha convertido en mi mas grande problema.

ahi les va tengo que hacer un modulo una funcion un procedimiento que al darle click a un command bottom me imprima en base a coordenadas x,y entre otras palabras lineas y columnas en una impresora matricial epson fx , LQ o una lx 300 datos de un cheque ya que tengo varios formatos de chqs pero necesito saber como se hace en vb.net poner indicar en que linea y columna se puede imprimir x dato.

bueno espero una ayuda
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RE:Ayuda alguien que se apiade y me ayude

Publicado por Christian (174 intervenciones) el 28/04/2006 21:27:03
Aqui te va una pequeña gran ayuda.

Option Strict On
Imports System.Drawing.Printing

Public Class frmMain
Inherits System.Windows.Forms.Form

' It's important that all the event procedures work with the same PrintDocument
' object.
Private WithEvents pdoc As New PrintDocument()

#Region " Standard Menu Code "
' <System.Diagnostics.DebuggerStepThrough()> has been added to some procedures since they are
' not the focus of the demo. Remove them if you wish to debug the procedures.
' This code simply shows the About form.
<System.Diagnostics.DebuggerStepThrough()> Private Sub mnuAbout_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mnuAbout.Click
' Open the About form in Dialog Mode
Dim frm As New frmAbout()
frm.ShowDialog(Me)
frm.Dispose()
End Sub

' This code will close the form.
<System.Diagnostics.DebuggerStepThrough()> Private Sub mnuExit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles mnuExit.Click
' Close the current form
Me.Close()
End Sub
#End Region

' The PrintDialog allows the user to select the printer that they want to print
' to, as well as other printing options.
Private Sub btnPrintDialog_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnPrintDialog.Click
Dim dialog As New PrintDialog()
dialog.Document = pdoc

If dialog.ShowDialog = DialogResult.OK Then
pdoc.Print()
End If
End Sub

' The PrintPreviewDialog is associated with the PrintDocument as the preview is
' rendered, the PrintPage event is triggered. This event is passed a graphics
' context where it "draws" the page.
Private Sub btnPrintPreview_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnPrintPreview.Click
Dim ppd As New PrintPreviewDialog()
Try
ppd.Document = pdoc
ppd.ShowDialog()
Catch exp As Exception
MessageBox.Show("An error occurred while trying to load the " & _
"document for Print Preview. Make sure you currently have " & _
"access to a printer. A printer must be connected and " & _
"accessible for Print Preview to work.", Me.Text, _
MessageBoxButtons.OK, MessageBoxIcon.Error)
End Try
End Sub

' Page setup lets you specify things like the paper size, portrait,
' landscape, etc.
Private Sub btnPageSetup_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnPageSetup.Click
Dim psd As New PageSetupDialog()
With psd
.Document = pdoc
.PageSettings = pdoc.DefaultPageSettings
End With

If psd.ShowDialog = DialogResult.OK Then
pdoc.DefaultPageSettings = psd.PageSettings
End If
End Sub

' Handles the Form's Load event, initializing the TextBox with some text
' for printing.
Private Sub frmMain_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
txtDocument.Text = "Texto"
End Sub

' PrintPage is the foundational printing event. This event gets fired for every
' page that will be printed. You could also handle the BeginPrint and EndPrint
' events for more control.
'
' The following is very
' fast and useful for plain text as MeasureString calculates the text that
' can be fitted on an entire page. This is not that useful, however, for
' formatted text. In that case you would want to have word-level (vs page-level)
' control, which is more complicated.
Private Sub pdoc_PrintPage(ByVal sender As Object, ByVal e As System.Drawing.Printing.PrintPageEventArgs) Handles pdoc.PrintPage
' Declare a variable to hold the position of the last printed char. Declare
' as static so that subsequent PrintPage events can reference it.
Static intCurrentChar As Int32
' Initialize the font to be used for printing.
Dim font As New font("Microsoft Sans Serif", 24)

Dim intPrintAreaHeight, intPrintAreaWidth, marginLeft, marginTop As Int32
With pdoc.DefaultPageSettings
' Initialize local variables that contain the bounds of the printing
' area rectangle.
intPrintAreaHeight = .PaperSize.Height - .Margins.Top - .Margins.Bottom
intPrintAreaWidth = .PaperSize.Width - .Margins.Left - .Margins.Right

' Initialize local variables to hold margin values that will serve
' as the X and Y coordinates for the upper left corner of the printing
' area rectangle.
marginLeft = .Margins.Left ' X coordinate
marginTop = .Margins.Top ' Y coordinate
End With

' If the user selected Landscape mode, swap the printing area height
' and width.
If pdoc.DefaultPageSettings.Landscape Then
Dim intTemp As Int32
intTemp = intPrintAreaHeight
intPrintAreaHeight = intPrintAreaWidth
intPrintAreaWidth = intTemp
End If

' Calculate the total number of lines in the document based on the height of
' the printing area and the height of the font.
Dim intLineCount As Int32 = CInt(intPrintAreaHeight / font.Height)
' Initialize the rectangle structure that defines the printing area.
Dim rectPrintingArea As New RectangleF(marginLeft, marginTop, intPrintAreaWidth, intPrintAreaHeight)

' Instantiate the StringFormat class, which encapsulates text layout
' information (such as alignment and line spacing), display manipulations
' (such as ellipsis insertion and national digit substitution) and OpenType
' features. Use of StringFormat causes MeasureString and DrawString to use
' only an integer number of lines when printing each page, ignoring partial
' lines that would otherwise likely be printed if the number of lines per
' page do not divide up cleanly for each page (which is usually the case).
' See further discussion in the SDK documentation about StringFormatFlags.
Dim fmt As New StringFormat(StringFormatFlags.LineLimit)
' Call MeasureString to determine the number of characters that will fit in
' the printing area rectangle. The CharFitted Int32 is passed ByRef and used
' later when calculating intCurrentChar and thus HasMorePages. LinesFilled
' is not needed for this sample but must be passed when passing CharsFitted.
' Mid is used to pass the segment of remaining text left off from the
' previous page of printing (recall that intCurrentChar was declared as
' static.
Dim intLinesFilled, intCharsFitted As Int32
e.Graphics.MeasureString(Mid(txtDocument.Text, intCurrentChar + 1), font, _
New SizeF(intPrintAreaWidth, intPrintAreaHeight), fmt, _
intCharsFitted, intLinesFilled)

' Print the text to the page.
e.Graphics.DrawString(Mid(txtDocument.Text, intCurrentChar + 1), font, _
Brushes.Black, rectPrintingArea, fmt)

' Advance the current char to the last char printed on this page. As
' intCurrentChar is a static variable, its value can be used for the next
' page to be printed. It is advanced by 1 and passed to Mid() to print the
' next page (see above in MeasureString()).
intCurrentChar += intCharsFitted

' HasMorePages tells the printing module whether another PrintPage event
' should be fired.
If intCurrentChar < txtDocument.Text.Length Then
e.HasMorePages = True
Else
e.HasMorePages = False
' You must explicitly reset intCurrentChar as it is static.
intCurrentChar = 0
End If
End Sub
End Class
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RE:Ayuda alguien que se apiade y me ayude

Publicado por Oswaldo (41 intervenciones) el 08/05/2006 18:56:57
Gracias :) me ha servido de mucho unos muy buenos tips que por fin pude terminar este pequeño modulo que ya me tenia con dolor de cabeza !!!
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