Gets the document reader type.
An DocumentReaderType enumeration member that specifies the type of this document reader.
The type of the reader depends on the document file name passed to DocumentReader.Create.
For an example, refer to DocumentReader.
Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2