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Contains Method (X509Certificate2)

[This documentation is for preview only, and is subject to change in later releases. Blank topics are included as placeholders.]

Determines whether the X509Certificate2Collection object contains a specific certificate.

Namespace:  System.Security.Cryptography.X509Certificates
Assembly:  System.Security (in System.Security.dll)

Syntax

'Declaration
Public Function Contains ( _
    value As X509Certificate2 _
) As Boolean
public bool Contains(
    X509Certificate2 value
)
public:
bool Contains(
    X509Certificate2^ value
)
member Contains : 
        value:X509Certificate2 -> bool 
public function Contains(
    value : X509Certificate2
) : boolean

Parameters

Return Value

Type: System. . :: . .Boolean
true if the X509Certificate2Collection contains the specified value; otherwise, false.

Remarks

This method performs a linear search; therefore, the average execution time is proportional to the Count property. That is, this method is an O(n) operation, where n is Count.

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

.NET Framework Security

See Also

Reference

X509Certificate2Collection Class

Contains Overload

System.Security.Cryptography.X509Certificates Namespace