編輯

共用方式為


ListBox.ObjectCollection.Contains(Object) Method

Definition

Determines whether the specified item is located within the collection.

public:
 virtual bool Contains(System::Object ^ value);
public:
 bool Contains(System::Object ^ value);
public bool Contains (object value);
abstract member Contains : obj -> bool
override this.Contains : obj -> bool
member this.Contains : obj -> bool
Public Function Contains (value As Object) As Boolean

Parameters

value
Object

An object representing the item to locate in the collection.

Returns

true if the item is located within the collection; otherwise, false.

Implements

Exceptions

value is null.

Remarks

The Contains method enables you to determine whether an object is a member of the collection. Once you know that the item is located within the collection, you can use the IndexOf method to determine where the item is located within the collection.

Applies to

See also