public bool ContainsKey( 
   string categoryName,
   string counterName,
   string instanceName
)

'Declaration
 
Public Overloads Function ContainsKey( _
   ByVal categoryName As String, _
   ByVal counterName As String, _
   ByVal instanceName As String _
) As Boolean

Parameters

categoryName

The name of the performance counter category (performance object) with which this performance counter is associated.

counterName

The name of the performance counter.

instanceName

The name of the performance counter category instance, or an empty string (""), if the category contains a single instance.

Return Value

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

PerfCounterCollection Class
PerfCounterCollection Members
Overload List