成员的完整列表，这些成员属于 IVeVOSystemsCollection,包括所有继承而来的类成员

Add([in] BSTR name) (定义于 IVeVOSystemsCollection)	IVeVOSystemsCollection
Contains([in] BSTR name, [out, retval] VARIANT_BOOL *pVal) (定义于 IVeVOSystemsCollection)	IVeVOSystemsCollection
Count (定义于 IVeVOSystemsCollection)	IVeVOSystemsCollection
Item (定义于 IVeVOSystemsCollection)	IVeVOSystemsCollection