windows-server-2003/admin/wmi/wbem/sdk/vc7/wmiscriptutils/htm/brokersample3.htm

<HTML>
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<TITLE>Sample page showing the use of the WMIObjectBroker</TITLE>
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<br>

Click <SPAN id=ShowProcessesOld><b>HERE</b></SPAN> to use WMI only to show a list of processes<br>
Click <SPAN id=ShowProcesses><b>HERE</b></SPAN> to use broker and WMI to show a list of processes<br>

<SCRIPT LANGUAGE="JSCRIPT">

function UseLocator(locator)
{
  // This function is passed a locator and displayes a message
  // box that lists all running services.
  var service = locator.ConnectServer();
  var procs = service.InstancesOf("Win32_Process");
  var f = new Enumerator(procs);
  sz = "";
  for (;!f.atEnd();f.moveNext())
  {
    var proc = f.item();
    sz += proc["Name"] + "\r\n";
    
  }
  alert(sz);
}

function ShowProcessesOld.onclick()
{
  var registrar;
  var broker;
  var locator;
  try
  {
    locator = new ActiveXObject("WbemScripting.SWbemLocator");
  }
  catch(e)
  {
  }
  if(locator == null)
    alert("Unable to create WMI object");
  else
    UseLocator(locator)
}

function ShowProcesses.onclick()
{
  var registrar;
  var broker;
  var locator;
  try
  {
    // This should have no trouble since the broker is safe for scripting
    var broker = new ActiveXObject("WMIScriptUtils.WMIObjectBroker");

    // If we are not already registered to create a locator, try to register our self
    if(!broker.CanCreateObject("WbemScripting.SWbemLocator"))
    {
      registrar = new ActiveXObject("WMIScriptUtils.WMIObjectBrokerRegistration");
      registrar.Register("WbemScripting.SWbemLocator");
    }

    // If we were already registered, the following command will create
    // a locator without complaint.  If we could not register (for example,
    // we were not run from a local hard drive), the following command
    // behaives just like 'new ActiveXObject' with all the same IE
    // warnings and errors
    locator = broker.CreateObject("WbemScripting.SWbemLocator");
  }
  catch(e)
  {
  }
  if(locator == null)
    alert("Unable to create WMI object");
  else
    UseLocator(locator)
}
</SCRIPT>

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