X509ExtensionCollection Class
.NET Framework 4.5
Represents a collection of X509Extension objects. This class cannot be inherited.
Namespace: System.Security.Cryptography.X509Certificates
Assembly: System (in System.dll)
The X509ExtensionCollection type exposes the following members.
| Name | Description | |
|---|---|---|
 | X509ExtensionCollection | Initializes a new instance of the X509ExtensionCollection class. |
| Name | Description | |
|---|---|---|
| Count | Gets the number of X509Extension objects in a X509ExtensionCollection object. |
| IsSynchronized | Gets a value indicating whether the collection is guaranteed to be thread safe. |
| Item[Int32] | Gets the X509Extension object at the specified index. |
| Item[String] | Gets the first X509Extension object whose value or friendly name is specified by an object identifier (OID). |
| SyncRoot | Gets an object that you can use to synchronize access to the X509ExtensionCollection object. |
| Name | Description | |
|---|---|---|
| Add | Adds an X509Extension object to an X509ExtensionCollection object. |
| CopyTo | Copies a collection into an array starting at the specified index. |
| Equals(Object) | Determines whether the specified object is equal to the current object. (Inherited from Object.) |
| GetEnumerator | Returns an enumerator that can iterate through an X509ExtensionCollection object. |
| GetHashCode | Serves as a hash function for a particular type. (Inherited from Object.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| ToString | Returns a string that represents the current object. (Inherited from Object.) |
| Name | Description | |
|---|---|---|
| AsParallel | Enables parallelization of a query. (Defined by ParallelEnumerable.) |
| AsQueryable | Converts an IEnumerable to an IQueryable. (Defined by Queryable.) |
| Cast<TResult> | Casts the elements of an IEnumerable to the specified type. (Defined by Enumerable.) |
| OfType<TResult> | Filters the elements of an IEnumerable based on a specified type. (Defined by Enumerable.) |
| Name | Description | |
|---|---|---|
| ICollection.CopyTo | Infrastructure. Copies the collection into an array starting at the specified index. |
| IEnumerable.GetEnumerator | Infrastructure. Returns an enumerator that can iterate through an X509ExtensionCollection object. |
This class represents a collection of X509Extension objects associated with a certificate. These extensions can provide additional information about the certificate.
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
