Using SW Doc Manager API with VB6

I noticed that there is a help file called swhtmlcontrolapivb6.chm which suggests that this API can be accessed from VB6.  Are there any examples available?

I've tried to use some of the sample code but I can't get the objects to instantiate.  I must be missing something...

Here is the bit of code I'm having trouble with:

Dim swClassFact As SwDocumentMgr.SwDMClassFactory

Dim swDocMgr As SwDocumentMgr.SwDMApplication3

Dim swDoc As SwDocumentMgr.SwDMDocument15

Dim swCfgMgr As SwDocumentMgr.SwDMConfigurationMgr

swClassFact = CreateObject("SwDocumentMgr.SwDMClassFactory")  <== ERROR HERE: Method or data member not found

swDocMgr = swClassFact.GetApplication(sLicenseKey)

swDoc = swDocMgr.GetDocument(sDocFileName, nDocType, False, nRetVal)

swCfgMgr = swDoc.ConfigurationManager

SolidworksApi macros