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public partial class Form1 : Form
{
private PrintPreviewDialog printPreviewDialog1 = new PrintPreviewDialog();
private PrintDocument printDocument1 = new PrintDocument();
// Declare a string to hold the entire document contents.
private string documentContents;
// Declare a variable to hold the portion of the document that
// is not printed.
private string stringToPrint;
public Form1()
{
InitializeComponent();
btn_apercu.Click += new EventHandler(btn_apercu_Click);
this.Controls.Add(this.btn_apercu);
printDocument1.PrintPage +=
new PrintPageEventHandler(printDocument1_PrintPage);
}
void btn_apercu_Click(object sender, EventArgs e)
{
MessageBox.Show("Visualisation avant impression", "Impression",MessageBoxButtons.OK);
LireDocument();
printPreviewDialog1.Document = printDocument1;
printPreviewDialog1.ShowDialog();
}
private void LireDocument()
{
string line;
string docName = "test.txt";
string docPath = @"C:\\Documents\";
printDocument1.DocumentName = docName;
using (FileStream stream = new FileStream(docPath + docName, FileMode.Open))
using (StreamReader reader = new StreamReader(stream))
{
documentContents = reader.ReadToEnd();
}
stringToPrint = documentContents;
}
void printDocument1_PrintPage(object sender, PrintPageEventArgs e)
{
int charactersOnPage = 0;
int linesPerPage = 0;
// Sets the value of charactersOnPage to the number of characters
// of stringToPrint that will fit within the bounds of the page.
e.Graphics.MeasureString(stringToPrint, this.Font,
e.MarginBounds.Size, StringFormat.GenericTypographic,
out charactersOnPage, out linesPerPage);
// Draws the string within the bounds of the page.
e.Graphics.DrawString(stringToPrint, this.Font, Brushes.Black,
e.MarginBounds, StringFormat.GenericTypographic);
// Remove the portion of the string that has been printed.
stringToPrint = stringToPrint.Substring(charactersOnPage);
// Check to see if more pages are to be printed.
e.HasMorePages = (stringToPrint.Length > 0);
// If there are no more pages, reset the string to be printed.
if (!e.HasMorePages)
stringToPrint = documentContents;
}
}
} |
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