/// <summary>
/// This is the event handler for PrintDocument.Paginate.
/// It fires when the PrintManager requests print preview
/// </summary>
/// <param name="sender">PrintDocument</param>
/// <param name="e">Paginate Event Arguments</param>
private void Paginate(object sender, PaginateEventArgs e)
{
if (pages.Count > 0)
{
pages.Clear();
}
var mgr = new C1RichTextViewManager {
Document = rtb.Document
};
var layout = rtb.ViewManager.PresenterInfo as C1PageLayout;
var contentSize = new Size(layout.Width - layout.Padding.Left - layout.Padding.Right, layout.Height - layout.Padding.Top - layout.Padding.Bottom);
// print the pages outside the visual tree
var elements = mgr.OfflinePaint(contentSize).ToList();
foreach (var el in elements)
{
var page = (Grid)printTemplate.LoadContent();
var canvas = el as Canvas;
if (canvas != null)
{
canvas.Margin = layout.Padding;
}
page.Children.Clear();
page.Children.Add(canvas);
pages.Add(page);
}
PrintDocument printDoc = (PrintDocument)sender;
// Report the number of preview pages
printDoc.SetPreviewPageCount(pages.Count, PreviewPageCountType.Intermediate);
}
public C1RichTextBoxPaginator(C1RichTextBox rtb, Size pageSize, Thickness margin)
{
var mgr = new C1RichTextViewManager { Document = rtb.Document };
// PageSize, Margin and ContentSize
PageSize = pageSize;
_margin = margin;
var contentSize = new Size(PageSize.Width - margin.Left - margin.Right, PageSize.Height - margin.Top - margin.Bottom);
// print the pages outside the visual tree
_pages = mgr.OfflinePaint(contentSize).ToList();
}
public C1RichTextBoxPaginator(C1RichTextBox rtb, Size pageSize, Thickness margin)
{
var mgr = new C1RichTextViewManager {
Document = rtb.Document
};
// PageSize, Margin and ContentSize
PageSize = pageSize;
_margin = margin;
var contentSize = new Size(PageSize.Width - margin.Left - margin.Right, PageSize.Height - margin.Top - margin.Bottom);
// print the pages outside the visual tree
_pages = mgr.OfflinePaint(contentSize).ToList();
}
