IXMLDOMDocument2Ptr is the smart pointer for IXMLDOMDocument2 interface, which you can use after #importing MSXML DLL.
IXMLDOMDocument2 is the new interface derived from IXMLDOMDocument. Depending on which version of MSXML typelib/DLL you are using, you may or may not see this. For instance, if you look at MSXML.DLL version 8.0.6730.0, you'll not find IXMLDOMDocument2 interface and hence when you #import this DLL, you'll not be able to see and use IXMLDOMDocument2Ptr smart pointer. However if you look at MSXML2.dll version 8.2.8307.0 or MSXML3.dll or MSXML4.dll (using OLE View), you'll see IXMLDOMDocument2 defined as below:
[
odl,
uuid(2933BF95-7B36-11D2-B20E-00C04F983E60),
dual,
nonextensible,
oleautomation
]
interface IXMLDOMDocument2 : IXMLDOMDocument {
[id(0x000000c9), propget, helpstring("A collection of all namespaces for this document")]
HRESULT namespaces([out, retval] IXMLDOMSchemaCollection** namespaceCollection);
[id(0x000000ca), propget, helpstring("The associated schema cache")]
HRESULT schemas([out, retval] VARIANT* otherCollection);
[id(0x000000ca), propputref, helpstring("The associated schema cache")]
HRESULT schemas([in] VARIANT otherCollection);
[id(0x000000cb), helpstring("perform runtime validation on the currently loaded XML document")]
HRESULT validate([out, retval] IXMLDOMParseError** errorObj);
[id(0x000000cc), helpstring("set the value of the named property")]
HRESULT setProperty(
[in] BSTR name,
[in] VARIANT value);
[id(0x000000cd), helpstring("get the value of the named property")]
HRESULT getProperty(
[in] BSTR name,
[out, retval] VARIANT* value);
};
And when you import one of these DLL you'll be able to use IXMLDOMDocument2Ptr. IXMLDOMDocument2 adds 3 properties and 3 methods as indicated above. To use them, you must use IXMLDOMDocument2 interface.
More information:
MSXML C++ Samples
MSXML DLL/Version Info
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