private BitmapSource ShowPDF(string filename)
{
IntPtr ctx = IntPtr.Zero;
IntPtr stm = IntPtr.Zero;
IntPtr doc = IntPtr.Zero;
IntPtr p = IntPtr.Zero;
try
{
//MessageBox.Show(filename);
ctx = Methods.NewContext();
stm = Methods.OpenFile(ctx, filename);
doc = Methods.OpenDocumentStream(ctx, stm);
p = Methods.LoadPage(doc, currentpage);
pages = Methods.CountPages(doc);
Rectangle b = new Rectangle();
Methods.BoundPage(doc, p, ref b);
return(PdfImage.CreateBitmapSourceFromBitmap(PdfImage.Page(ctx, doc, p, b)));
}
catch (Exception ex)
{
return(null);
throw new Exception(ex.Message);
}
finally
{
Methods.FreePage(doc, p);
Methods.CloseDocument(doc);
Methods.CloseStream(stm);
Methods.FreeContext(ctx);
}
}