IXMLDOMDocumentType

Example

The following C/C++ example displays the doctype name of the document.

The following document was used.

<?xml version='1.0'?>
<!DOCTYPE COLLECTION [ 
<!ELEMENT COLLECTION    (DATE? , BOOK+) >
<!ATTLIST COLLECTION
    xmlns:dt CDATA #FIXED "urn:schemas-microsoft-com:datatypes">
<!ELEMENT BOOK         (TITLE, AUTHOR, PUBLISHER) >
<!ELEMENT DATE         (#PCDATA) >
<!ELEMENT TITLE         (#PCDATA)  >
<!ELEMENT AUTHOR        (#PCDATA)  >
<!ELEMENT PUBLISHER     (#PCDATA)  >
]>
<COLLECTION
   xmlns:dt="urn:schemas-microsoft-com:datatypes">
  <BOOK>
    <TITLE>Cosmos</TITLE>
    <AUTHOR>Carl Sagan</AUTHOR>
    <PUBLISHER>Ballantine Books</PUBLISHER>
  </BOOK>
  <BOOK>
    <TITLE>Catwings</TITLE>
    <AUTHOR>Ursula K. Le Guin</AUTHOR>
    <PUBLISHER>Scholastic</PUBLISHER>
  </BOOK>
  <BOOK>
    <TITLE>Home Town</TITLE>
    <AUTHOR>Tracy Kidder</AUTHOR>
    <PUBLISHER>Random House</PUBLISHER>
  </BOOK>
</COLLECTION>

#import "msxml4.dll"
using namespace MSXML2;

inline void TESTHR( HRESULT _hr ) 
   { if FAILED(_hr) throw(_hr); }


void XMLDOMDocumentTypeSample()
{
   try
   {
      IXMLDOMDocumentPtr docPtr;

      //init
      TESTHR(CoInitialize(NULL)); 
      TESTHR(docPtr.CreateInstance(_T("Msxml2.DOMDocument.4.0")));

      // load a document
      _variant_t varXml(_T("D:\\xmlSample\\xmlTest\\book1.xml"));
      _variant_t varOut((bool)TRUE);
      varOut = docPtr->load(varXml);
      if ((bool)varOut == FALSE)
      {// show error description - IXMLDOMParseError sample
         IXMLDOMParseErrorPtr errPtr = docPtr->GetparseError();
      // print error details
      }
      else
      {
         IXMLDOMDocumentTypePtr docTypPtr = docPtr->doctype;
         if (docTypPtr)
         {
            _bstr_t bstrTyp(docTypPtr->name);
            _tprintf(_T("Document type name = %s\n"), (TCHAR*)bstrTyp);
         }
            }
   }
   catch (_com_error &e)
   {
      _tprintf(_T("Error:\n"));
      _tprintf(_T("Code = %08lx\n"), e.Error());
      _tprintf(_T("Code meaning = %s\n"), (TCHAR*) e.ErrorMessage());
      _tprintf(_T("Source = %s\n"), (TCHAR*) e.Source());
      _tprintf(_T("Error Description = %s\n"), (TCHAR*) e.Description());
   }
      catch(...)
   {
      _tprintf(_T("Unknown error!"));
   }
   CoUninitialize();
}

Header and IDL files: msxml2.h, msxml2.idl