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Gibraltar.Agent.Metrics Namespace / EventMetricDefinition Class / TryGetValue Method / TryGetValue(String,String,String,EventMetricDefinition) Method
The metrics capture system label of the definition to look up.
The name of the category with which the definition is associated.
The name of the definition within the category.
The output variable to receive the EventMetricDefinition object if found (null if not).

In This Topic
    TryGetValue(String,String,String,EventMetricDefinition) Method
    In This Topic
    Retrieve an EventMetricDefinition by its three key strings (metrics system, category name, and counter name), if present.
    Syntax
    'Declaration
     
    
    Public Overloads Shared Function TryGetValue( _
       ByVal metricsSystem As String, _
       ByVal categoryName As String, _
       ByVal counterName As String, _
       ByRef value As EventMetricDefinition _
    ) As Boolean

    Parameters

    metricsSystem
    The metrics capture system label of the definition to look up.
    categoryName
    The name of the category with which the definition is associated.
    counterName
    The name of the definition within the category.
    value
    The output variable to receive the EventMetricDefinition object if found (null if not).

    Return Value

    False if no metric definition is registered with the given Key, true if an EventMetricDefinition is registered with the given Key, or throws an exception if the registered definition is not an EventMetricDefinition.
    Remarks
    This method looks in the collection of registered metric definitions for the specified Id key. If it is not found, the output is set to null and the method returns false. If the Id key is found and resolves to an EventMetricDefinition, it is stored in the value output parameter and the method returns true. If the Id key is found but is not an EventMetricDefinition, an ArgumentException is thrown to signal a usage inconsistency in your code.
    Requirements

    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

    See Also