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Replaces the element at the specified index.
protected override void SetItem(int index, BaseGroup item)
| Type | Name | Description |
|---|---|---|
| int | index | The zero-based index of the element to replace. |
| BaseGroup | item | The new value for the element at the specified index. The value can be null for reference types. |
| Type | Condition |
|---|---|
| ArgumentOutOfRangeException | Thrown when index is less than zero.-or-index is greater than System.Collections.ObjectModel.Collection<T>.Count. |