smart_com is a reference counting pointer to COM objects. It releases reference to the IUnknown interface when it is destroyed.
Header File: tisudshl.h
Returns the interface ID of the type of objects this object points to.
Checks whether op2 or p differ from this smart_com.
Returns a pointer to the object to which this points to. If the pointer is not set, this operator will fail with a null pointer exception.
Assigns another smart_com to this.
Checks whether op2 or p and this smart_com are identical.
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