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Base class defines get_Item or set_Item, cannot create expando class. Methods reserved for the expando fields.

An expando class extends a base class with a member named get_Item or set_Item. This is not allowed because it leads to a conflict with the get_Item or set_Item properties implicitly defined for expando classes.

To correct this error

  1. Rename the base class member named get_Item or set_Item.

  2. Do not inherit from the base class.

  3. Remove the expando modifier from the class definition.

See Also

Reference

expando Modifier

Concepts

Troubleshooting Your Scripts

Other Resources

JScript Reference
Class-based Objects



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