public enum ApplicationType
{
	iexplore.exe = 1,
	winword.exe = 2,
	excel.exe = 3,
	powerpnt.exe = 4,
	mspub.exe = 5,
	iexplore.exe = 6,
	write.exe = 7,
	iexplore.exe = 8,
	wmplayer.exe = 9,
	wmplayer.exe = 10,
	iexplore.exe = 11,
	outlook.exe = 12,
	outlook.exe = 13,
	msaccess.exe = 14,
	infopath.exe = 15

}


public static string GetApplicationType(int _docTypeID)
{
    string _docTypeApplication = string.Empty;
    switch (_docTypeID)
    {
	case 1:
	    _docTypeApplication = "iexplore.exe";
	    break;
	case 2:
	    _docTypeApplication = "winword.exe";
	    break;
	case 3:
	    _docTypeApplication = "excel.exe";
	    break;
	case 4:
	    _docTypeApplication = "powerpnt.exe";
	    break;
	case 5:
	    _docTypeApplication = "mspub.exe";
	    break;
	case 6:
	    _docTypeApplication = "iexplore.exe";
	    break;
	case 7:
	    _docTypeApplication = "write.exe";
	    break;
	case 8:
	    _docTypeApplication = "iexplore.exe";
	    break;
	case 9:
	    _docTypeApplication = "wmplayer.exe";
	    break;
	case 10:
	    _docTypeApplication = "wmplayer.exe";
	    break;
	case 11:
	    _docTypeApplication = "iexplore.exe";
	    break;
	case 12:
	    _docTypeApplication = "outlook.exe";
	    break;
	case 13:
	    _docTypeApplication = "outlook.exe";
	    break;
	case 14:
	    _docTypeApplication = "msaccess.exe";
	    break;
	case 15:
	    _docTypeApplication = "infopath.exe";
	    break;

    }

    return _docTypeApplication;

}


<?xml version="1.0" encoding="utf-8" ?>
<ApplicationTypes>
  <item id="1">
    <ApplicationType>iexplore.exe</ApplicationType>
  </item>
  <item id="2">
    <ApplicationType>winword.exe</ApplicationType>
  </item>
  <item id="3">
    <ApplicationType>excel.exe</ApplicationType>
  </item>
  <item id="4">
    <ApplicationType>powerpnt.exe</ApplicationType>
  </item>
  <item id="5">
    <ApplicationType>mspub.exe</ApplicationType>
  </item>
  <item id="6">
    <ApplicationType>iexplore.exe</ApplicationType>
  </item>
  <item id="7">
    <ApplicationType>write.exe</ApplicationType>
  </item>
  <item id="8">
    <ApplicationType>iexplore.exe</ApplicationType>
  </item>
  <item id="9">
    <ApplicationType>wmplayer.exe</ApplicationType>
  </item>
  <item id="10">
    <ApplicationType>wmplayer.exe</ApplicationType>
  </item>
  <item id="11">
    <ApplicationType>iexplore.exe</ApplicationType>
  </item>
  <item id="12">
    <ApplicationType>outlook.exe</ApplicationType>
  </item>
  <item id="13">
    <ApplicationType>outlook.exe</ApplicationType>
  </item>
  <item id="14">
    <ApplicationType>msaccess.exe</ApplicationType>
  </item>
  <item id="15">
    <ApplicationType>infopath.exe</ApplicationType>
  </item>

</ApplicationTypes>