X509Certificate2Collection.Contains(X509Certificate2) Method

Reference

Definition

Namespace:: System.Security.Cryptography.X509Certificates

Assembly:: System.Security.Cryptography.X509Certificates.dll

Assembly:: System.Security.Cryptography.dll

Assembly:: System.dll

Assembly:: netstandard.dll

Source:: X509Certificate2Collection.cs

Source:: X509Certificate2Collection.cs

Source:: X509Certificate2Collection.cs

Important

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Determines whether the X509Certificate2Collection object contains a specific certificate.

public:
 bool Contains(System::Security::Cryptography::X509Certificates::X509Certificate2 ^ certificate);

public bool Contains (System.Security.Cryptography.X509Certificates.X509Certificate2 certificate);

override this.Contains : System.Security.Cryptography.X509Certificates.X509Certificate2 -> bool

Public Function Contains (certificate As X509Certificate2) As Boolean

Parameters

certificate: X509Certificate2

The X509Certificate2 object to locate in the collection.

Returns

Boolean

true if the X509Certificate2Collection contains the specified certificate; otherwise, false.

Exceptions

ArgumentNullException

certificate is null.

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.

Applies to

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