Determines if the SortedList contains a specific key.
[Visual Basic] Overridable Public Function Contains( _ ByVal key As Object _ ) As Boolean [C#] public virtual bool Contains( object key ); [C++] public: virtual bool Contains( Object* key ); [JScript] public function Contains( key : Object ) : Boolean;
true if the SortedList contains an element with the specified key; otherwise, false.
Exception Type | Condition |
---|---|
ArgumentNullException | key is a null reference (in Visual Basic Nothing). |
This method can be overridden by a derived class.
This method uses a binary search algorithm; therefore, the average execution time is proportional to Log2 (size), where size is the size of the SortedList.
This method implements the IDictionary interface. It behaves exactly as ContainsKey.
SortedList Class | SortedList Members | System.Collections Namespace | ContainsKey | IndexOfKey