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# ExtendSelect Method (IList)

Selects additional items from the multi-selection list. This method is applicable only to lists that allow multiple selection.

This method has multiple overloads.

In this topic:

## ExtendSelect (IListItem[]) Method

Selects additional items from the multi-selection list, by ListItems collection. This method is applicable only to lists that allow multiple selection.

Note: Supported in LeanFT versions 14.51 and later.

C# Syntax

                void ExtendSelect(
       params IListItem[] items
    )

Parameters

items

The items to add to the selection.

## ExtendSelect(UInt32[]) Method

Selects additional items from the multi-selection list, by indices. This method is applicable only to lists that allow multiple selection.

Note: Supported in LeanFT versions 14.51 and later.

C# Syntax

                void ExtendSelect(
       params uint[] itemIndices
    )

Parameters

itemIndices

The 0-based item indices to add to the selection.

## ExtendSelect(String[]) Method

Selects additional items from the multi-selection list, by name. This method is applicable only to lists that allow multiple selection.

C# Syntax

                void ExtendSelect(
       params string[] itemNames
    )

Parameters

items

The item names to add to the selection.