private PdfDocument(PdfFile file)
{
if (file == null)
{
throw new ArgumentNullException("file");
}
_file = file;
int pageCount;
double maxPageWidth;
//得到页数和最大页面宽度
bool success = file.GetPDFDocInfo(out pageCount, out maxPageWidth);
if (!success)
{
throw new Win32Exception();
}
_pageCount = pageCount;
MaximumPageWidth = maxPageWidth;
}
public PdfDocument(Stream stream)
: this(PdfFile.Create(stream))
{
}
