How Can We check CComvariant object is NULL?

How Can We check CComvariant object is NULL?

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Posted on: 31/01/2014
Dont check whther the ComVariant object is null , check whther the particular type in ComVariant Object is Null

like if (Obj.vt==VT_BSTR && Obj.bstrval!="" )

Posted on: 29/03/2018
Same is the Case with all other Data Types
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