public PdfBufferFile(byte[] buffer, int length)
{
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
_buffer = buffer;
_length = length;
LoadDocument(NativePdfiumMethods.FPDF_LoadMemDocument(_buffer, length, null));
}
protected PdfFileHandleFile(SafeHandle handle, int length)
{
if (handle == null)
{
throw new ArgumentNullException("handle");
}
_mappedHandle = NativeMethods.CreateFileMapping(handle, IntPtr.Zero, NativeMethods.FileMapProtection.PageReadonly, 0, (uint)length, null);
if (_mappedHandle.IsInvalid)
{
throw new Win32Exception();
}
_buffer = NativeMethods.MapViewOfFile(_mappedHandle, NativeMethods.FileMapAccess.FileMapRead, 0, 0, (uint)length);
if (_buffer.IsInvalid)
{
throw new Win32Exception();
}
LoadDocument(NativePdfiumMethods.FPDF_LoadMemDocument(_buffer, length, null));
}
