The For Each activity iterates over every item in an enumerable collection (Array, List, DataTable, Directory files), exposing `CurrentItem` or `CurrentRow` inside the body. Key Sub-topics Breakdown: • Subtopic 1: Collection Iteration: Stepping through arrays, Generic Lists, and directory file paths • Subtopic 2: TypeArgument Setting: Strongly typing CurrentItem to unlock IntelliSense auto-complete • Subtopic 3: For Each Row in Data Table: Specialized high-performance iteration over DataTable rows
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