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Cannot define get_Item or set_Item on an Expando class. Methods reserved for the expando fields.

A member of an expando class is named get_Item or set_Item. This is not allowed because it leads to a conflict with the get_Item or set_Item properties that are implicitly defined for expando classes.

To correct this error

  • Rename the class member named get_Item or set_Item.

See Also


expando Modifier


Troubleshooting Your Scripts

Other Resources

JScript Reference
Class-based Objects

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