/// <summary>
/// Raises the System.Drawing.Printing.PrintDocument.QueryPageSettings event. It
/// is called immediately before each System.Drawing.Printing.PrintDocument.PrintPage event.
/// </summary>
/// <param name="e">A System.Drawing.Printing.QueryPageSettingsEventArgs that contains the event data.</param>
protected override void OnQueryPageSettings(QueryPageSettingsEventArgs e)
{
if (AutoRotate)
{
IntPtr currentPage = Pdfium.FPDF_StartLoadPage(_docForPrint, _pageForPrint);
if (currentPage == IntPtr.Zero)
{
e.Cancel = true;
return;
}
double width = Pdfium.FPDF_GetPageWidth(currentPage);
double height = Pdfium.FPDF_GetPageHeight(currentPage);
var rotation = Pdfium.FPDFPage_GetRotation(currentPage);
bool isRotated = (/*rotation == PageRotate.Rotate270 || rotation == PageRotate.Rotate90 ||*/ width > height);
e.PageSettings.Landscape = isRotated;
if (currentPage != IntPtr.Zero)
{
Pdfium.FPDF_ClosePage(currentPage);
}
}
base.OnQueryPageSettings(e);
}