Function ModifySubscription( _
   ByVal requestHeader As RequestHeader, _
   ByVal subscriptionId As UInteger, _
   ByVal requestedPublishingInterval As Double, _
   ByVal requestedLifetimeCount As UInteger, _
   ByVal requestedMaxKeepAliveCount As UInteger, _
   ByVal maxNotificationsPerPublish As UInteger, _
   ByVal priority As Byte, _
   ByRef revisedPublishingInterval As Double, _
   ByRef revisedLifetimeCount As UInteger, _
   ByRef revisedMaxKeepAliveCount As UInteger _
) As ResponseHeader

ResponseHeader ModifySubscription( 
   RequestHeader requestHeader,
   uint subscriptionId,
   double requestedPublishingInterval,
   uint requestedLifetimeCount,
   uint requestedMaxKeepAliveCount,
   uint maxNotificationsPerPublish,
   byte priority,
   out double revisedPublishingInterval,
   out uint revisedLifetimeCount,
   out uint revisedMaxKeepAliveCount
)

Parameters

requestHeader

subscriptionId

requestedPublishingInterval

requestedLifetimeCount

requestedMaxKeepAliveCount

maxNotificationsPerPublish

priority

revisedPublishingInterval

revisedLifetimeCount

revisedMaxKeepAliveCount

Target Platforms: Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows 7, Windows Server 2008 family

Reference