/// <summary>
/// Print the content of the RichTextBox
/// </summary>
/// <param name="printType">Printing type to define how to perform the printing process</param>
/// <param name="margins">Page margins or null value for use default margins</param>
/// <param name="printType">Delegate invoked before print each page</param>
public static void Print(this RichTextBox richTextBox, PrintType printType, Margins margins, BeforePagePrintDelegate beforePagePrintDelegate)
{
new RichTextBoxHelper(richTextBox).Print(printType, margins, beforePagePrintDelegate);
}
public void Print(PrintType printType, Margins margins, BeforePagePrintDelegate beforePagePrintDelegate)
{
var doc = new PrintDocument();
doc.BeginPrint += new PrintEventHandler(Document_BeginPrint);
doc.EndPrint += new PrintEventHandler(Document_EndPrint);
doc.PrintPage += new PrintPageEventHandler(Document_PrintPage);
doc.DefaultPageSettings.Margins = margins ?? new Margins(20, 20, 20, 20);
doc.DocumentName = "CompactView document";
this.beforePagePrintDelegate = beforePagePrintDelegate;
try
{
switch (printType)
{
case PrintType.DirectPrint:
MeasureOnly = false;
doc.Print();
break;
case PrintType.ShowPrintDialog:
case PrintType.ShowPrintDialogWithTotalPages:
if (printType == PrintType.ShowPrintDialogWithTotalPages)
{
MeasureOnly = true;
PrintController controller = doc.PrintController;
doc.PrintController = new PreviewPrintController();
doc.Print(); // Only for calculate total pages
doc.PrintController = controller;
}
else
{
TotalPages = int.MaxValue;
}
MeasureOnly = false;
var printDlg = new PrintDialog
{
Document = doc,
AllowSomePages = true
};
printDlg.PrinterSettings.FromPage = 1;
printDlg.PrinterSettings.MinimumPage = 1;
printDlg.PrinterSettings.ToPage = TotalPages;
printDlg.PrinterSettings.MaximumPage = TotalPages;
if (printDlg.ShowDialog() == DialogResult.OK)
{
doc.Print();
}
break;
case PrintType.PrintPreview:
MeasureOnly = false;
var previewDlg = new PrintPreviewDialog
{
WindowState = FormWindowState.Maximized,
Document = doc,
ShowIcon = false
};
previewDlg.ShowDialog();
break;
}
}
catch (Exception ex)
{
Trace.WriteLine(ex.Message);
}
}
