Returns the CLSID of a running object.
| LPCLSID lpClsid
||//Pointer to an object's CLSID
[out] Points to the object's class ID.
CLSID was returned successfully.
An argument is invalid.
An unexpected error occurred.
If an embedded document was created by an application that is not available on
the user's computer, the document, by a call to CoTreatAsClass
, may be able to display itself for editing by emulating a class that is
supported on the user's machine. In this case, the CLSID returned by a call
will be that of the class being emulated, rather than the document's native
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