X509Certificate2Collection.Contains(X509Certificate2) Method

Definition

Determines whether the X509Certificate2Collection object contains a specific certificate.

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

Parameters

certificate
X509Certificate2

The X509Certificate2 object to locate in the collection.

Returns

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

Exceptions

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

Proizvod Verzije
.NET Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard 1.3, 1.4, 1.6, 2.0, 2.1