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When implemented in a derived class, extracts the key from the specified element.
protected abstract TKey GetKeyForItem(TItem item)
Protected MustOverride Function GetKeyForItem(item As TItem) As TKey
| Type | Name | Description |
|---|---|---|
| TItem | item | The element from which to extract the key. |
| Type | Description |
|---|---|
| TKey | The key for the specified element. |