/// <summary>
/// Regenerates the preview to reflect changes in the document layout.
/// </summary>
public void RefreshPreview()
{
// render into PrintController
if (_doc != null)
{
// prepare to render preview document
_img.Clear();
PrintController savePC = _doc.PrintController;
// render preview document
try
{
_cancel = false;
_rendering = true;
_doc.PrintController = new PreviewPrintController();
_doc.PrintPage += _doc_PrintPage;
_doc.EndPrint += _doc_EndPrint;
_doc.Print();
}
finally
{
_cancel = false;
_rendering = false;
_doc.PrintPage -= _doc_PrintPage;
_doc.EndPrint -= _doc_EndPrint;
_doc.PrintController = savePC;
}
}
// update
OnPageCountChanged(EventArgs.Empty);
UpdatePreview();
UpdateScrollBars();
}
