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WqlEventQuery.GroupWithinInterval Property

Gets or sets the interval to be used for grouping events of the same type.

Namespace:  System.Management
Assembly:  System.Management (in System.Management.dll)

public TimeSpan GroupWithinInterval { get; set; }

Property Value

Type: System.TimeSpan
Returns a TimeSpan value containing the interval used for grouping events of the same type.

Setting this property value overrides any previous value stored in the object. The query string is rebuilt to reflect the new interval.

Property Value

Null, if there is no grouping involved; otherwise, the interval in which WMI should group events of the same type.

.NET Framework Security

Full trust for the immediate caller. This member cannot be used by partially trusted code. For more information, see Using Libraries from Partially Trusted Code.

The following example initializes a new WqlEventQuery and displays the event query string.

using System;
using System.Management;

public class EventSample 
{
    public static void Main(string[] args) 
    {
        WqlEventQuery query = new WqlEventQuery();
        query.EventClassName = "__InstanceCreationEvent";
        query.Condition = "TargetInstance ISA 'Win32_NTLogEvent'";
        query.GroupWithinInterval = new TimeSpan(0, 0, 10);
        System.Collections.Specialized.StringCollection collection =
            new System.Collections.Specialized.StringCollection();
        collection.Add("TargetInstance.SourceName");
        query.GroupByPropertyList = collection;
        query.HavingCondition = "NumberOfEvents > 25";

        Console.WriteLine(query.QueryString);
        return;
    }
}

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, 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.

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