MonitorEventArgs Class

In This Topic

Provides data for the TraceEvent event of the DbMonitor class.

Syntax

Visual Basic
C#

'Declaration
 
Public Class MonitorEventArgs 
   Inherits System.EventArgs

public class MonitorEventArgs : System.EventArgs

Remarks

The TraceEvent event occurs when DbMonitor object is active and the monitoring application performs any SQL activity.

Example

The following sample shows how to enable and disable monitoring of database activity in your application.

csharp

static void OnEvent(object sender, MonitorEventArgs e)
{
  if (e.TracePoint==MonitorTracePoint.BeforeEvent)
  {
    Console.WriteLine("Description: " + e.Description);
    Console.WriteLine(" Extra info: " + e.ExtraInfo);
  }
}


[MTAThread]
static void Main(string[] args)
{
  MagentoConnection magentoConn = new MagentoConnection(
      "domain=192.168.10.68/magento;user=Test;apikey=testpassword;");
  MagentoMonitor magentoMonitor = new MagentoMonitor();
  magentoMonitor.TraceEvent += new MonitorEventHandler(OnEvent);
  magentoMonitor.IsActive = true;
  MagentoCommand magentoCommand = new MagentoCommand("select count(*) from Customers",magentoConn);
  magentoConn.Open();
  Console.WriteLine(magentoCommand.ExecuteScalar());
  magentoConn.Close();
  magentoMonitor.TraceEvent -= new MonitorEventHandler(OnEvent);
  Console.ReadLine();
}

Visual Basic

Sub OnEvent(ByVal sender As Object, ByVal e As MonitorEventArgs)
  If e.TracePoint = MonitorTracePoint.BeforeEvent Then
    Console.WriteLine("Description: " & e.Description)
    Console.WriteLine(" Extra info: " & e.ExtraInfo)
  End If
End Sub

<MTAThread()> _
Sub Main()
  Dim magentoConn As MagentoConnection = New MagentoConnection( _
      "domain=192.168.10.68/magento;user=Test;apikey=testpassword;")
  Dim magentoMonitor As MagentoMonitor = New MagentoMonitor
  AddHandler magentoMonitor.TraceEvent, AddressOf OnEvent
  magentoMonitor.IsActive = True
  Dim magentoCommand As MagentoCommand = New MagentoCommand("select count(*) from Customers", magentoConn)
  magentoConn.Open()
  Console.WriteLine(magentoCommand.ExecuteScalar())
  magentoConn.Close()
  RemoveHandler magentoMonitor.TraceEvent, AddressOf OnEvent
  Console.ReadLine()
End Sub

Inheritance Hierarchy

System.Object
System.EventArgs
Devart.Common.MonitorEventArgs

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

Reference

MonitorEventArgs Members
Devart.Common Namespace

Send Feedback