3.16.4.2 IClusterUpdate::Count (Opnum 4)

The Count method returns the number of updates that are installed on the local server.

 HRESULT Count(
   [out] LONG* Count
 );

Count: A value indicating the number of updates installed on the local server.

Return Values: A signed 32-bit value that indicates return status. If the method returns a negative value, it has failed. Zero or positive values indicate success, with the lower 16 bits in positive nonzero values containing warnings or flags defined in the method implementation. For more information about Win32 error codes and HRESULT values, see [MS-ERREF] sections 2.2 and 2.1.

Return value/code

Description

0x00000000

S_OK

The call was successful.

For any other condition, this method MUST return a value that is not one of the values listed in the preceding table. The client MUST behave in an identical manner for all return values not listed in the preceding table.

Exceptions Thrown: No exceptions are thrown beyond those thrown by the underlying RPC protocol [MS-RPCE].

The opnum field value for this method is 4.

When processing this call, the server MUST do the following:

  • Construct the ClusterUpdates collection consisting of the list of software updates installed on the local server, using an implementation-specific mechanism.

The server returns the following information to the client:

  • The number of updates in the ClusterUpdates collection.