Box. Selected Object Collection. Contains(Object) Method
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Determines whether the specified item is located within the collection.
public: virtual bool Contains(System::Object ^ selectedObject);
public bool Contains (object selectedObject);
abstract member Contains : obj -> bool override this.Contains : obj -> bool
Public Function Contains (selectedObject As Object) As Boolean
An object representing the item to locate in the collection.
true if the specified item is located in the collection; otherwise,
The Contains method enables you to determine whether an item from the ListBox.ObjectCollection class is a member of the selected items stored in the ListBox.SelectedObjectCollection. You can use this to determine if a specific item in a multiple-selection ListBox is selected.