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    Delphi Error – E2431 for-in statement cannot operate on collection type ‘%s’ because ‘%s’ does not contain a member for ‘%s’, or it is inaccessible

    admin November 17, 2022 No Comments

    Delphi Compiler Error

    E2431 for-in statement cannot operate on collection type ‘%s’ because ‘%s’ does not contain a member for ‘%s’, or it is inaccessible

    Reason for the Error & Solution

    A for-in statement can only operate on the following collection types:

    • Primitive types that the compiler recognizes, such as arrays, sets or strings
    • Types that implement
    • Types that implement the GetEnumerator pattern as documented in the Delphi Language Guide

    Ensure that the specified type meets these requirements.

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