Stack.Contains(Object) Method

Definition

Namespace:: System.Collections

Assemblies:: mscorlib.dll, System.Collections.NonGeneric.dll

Assemblies:: netstandard.dll, System.Collections.NonGeneric.dll

Assembly:: System.Collections.NonGeneric.dll

Assembly:: mscorlib.dll

Assembly:: netstandard.dll

Source:: Stack.cs

Source:: Stack.cs

Source:: Stack.cs

Source:: Stack.cs

Important

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Determines whether an element is in the Stack.

public:
 virtual bool Contains(System::Object ^ obj);

public virtual bool Contains(object obj);

public virtual bool Contains(object? obj);

abstract member Contains : obj -> bool
override this.Contains : obj -> bool

Public Overridable Function Contains (obj As Object) As Boolean

Parameters

obj: Object

The object to locate in the Stack. The value can be null.

Returns

Boolean

true, if obj is found in the Stack; otherwise, false.

Remarks

This method determines equality by calling the Object.Equals method.

This method performs a linear search; therefore, this method is an O(n) operation, where n is Count.

This method tests for equality by passing the obj argument to the Equals method of individual objects in the collection.

Applies to

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