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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
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

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

See also

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