private void printToolStripMenuItem_Click(object sender, EventArgs e)
{
m_nTotalPage = PageCountPrintController.GetPageCount(this.printDocument);
m_nPage = 0;
realPrint = true;
printDocument.PrinterSettings.FromPage = 1;
printDocument.PrinterSettings.ToPage = m_nTotalPage;
printDocument.PrinterSettings.MinimumPage = 1;
printDocument.PrinterSettings.MaximumPage = m_nTotalPage;
if (printDialog.ShowDialog() == DialogResult.OK)
{
if (printDialog.PrinterSettings.PrintRange ==
PrintRange.SomePages)
{
m_nPage = printDocument.PrinterSettings.FromPage - 1;
m_nMaxPage = printDocument.PrinterSettings.ToPage;
}
else
{
m_nPage = 0;
m_nMaxPage = m_nTotalPage;
}
this.printDocument.Print();
}
realPrint = false;
}
// Helper method to simplify client code
public static int GetPageCount(PrintDocument document)
{
// Must have a print document to generate page count
if (document == null)
{
throw new ArgumentNullException("PrintDocument must be set.");
}
// Substitute this PrintController to cause a Print to initiate the
// count, which means that OnStartPrint and OnStartPage are called
// as the PrintDocument prints
PrintController existingController = document.PrintController;
PageCountPrintController controller =
new PageCountPrintController();
document.PrintController = controller;
document.Print();
document.PrintController = existingController;
return(controller.PageCount);
}
