public static ISWbemObject GetClassObject(String server,
String ns,
String className)
{
if (ns == string.Empty || className == string.Empty)
{
throw new ArgumentException();
}
try
{
ISWbemLocator wbemLocator = WmiHelper.wbemLocator; //(ISWbemLocator)(new SWbemLocator());
ISWbemServices wbemServices = wbemLocator.ConnectServer(server,
ns,
"", //user: blank defaults to current logged-on user
"", //password: blank defaults to current logged-on user
"", //locale: blank for current locale
"", //authority: NTLM or Kerberos. Blank lets DCOM negotiate.
0, //flags: reserved
null); //context info: not needed here
ISWbemObject classObj = wbemServices.Get(className,
(int)WbemFlagEnum.wbemFlagUseAmendedQualifiers,
null);
return(classObj);
}
catch (Exception e)
{
MessageBox.Show(WMISys.GetString("WMISE_Exception", e.Message, e.StackTrace));
return(null);
}
}
//
// CONSTRUCTORS
//
// <doc>
// <desc>
// Main constructor.
// Parameters:
// string server (in, machine name)
// string pathIn (in, WMI path without the server name , e.g. "root\default:MyClass")
// </desc>
// </doc>
public WMIClassNode(string pathIn)
{
try
{
path = pathIn;
//parse the path to get server, namespace and class name
Int32 separ = path.IndexOf("\\", 2);
if (separ == -1)
{
//invalid path
throw (new Exception("Invalid argument"));
}
serverName = path.Substring(2, separ - 2);
pathNoServer = path.Substring(separ + 1, path.Length - separ - 1);
//split pathNoServer into namespace and classname parts (':' is the separator)
Int32 colon = pathNoServer.IndexOf(':', 0);
if (colon == -1)
{
//invalid path
throw (new Exception("Invalid argument"));
}
nsName = pathNoServer.Substring(0, colon);
className = pathNoServer.Substring(colon + 1, pathNoServer.Length - colon - 1);
//Get and cache wmiObj
ISWbemLocator wbemLocator = (ISWbemLocator)(new SWbemLocator());
wbemServices = wbemLocator.ConnectServer(serverName,
nsName,
"", //user: blank defaults to current logged-on user
"", //password: blank defaults to current logged-on user
"", //locale: blank for current locale
"", //authority: NTLM or Kerberos. Blank lets DCOM negotiate.
0, //flags: reserved
null); //context info: not needed here
if (wbemServices == null)
{
throw new Exception("Could not connect to WMI");
}
wmiObj = wbemServices.Get(className,
0,
//(int)WbemFlagEnum.wbemFlagUseAmendedQualifiers,
null);
if (wmiObj == null)
{
throw new Exception("Could not get WMI object" + path);
}
}
catch (Exception exc)
{
MessageBox.Show("Exception: " + exc.Message + "\n\rTrace: " + exc.StackTrace);
throw (exc);
}
}
/// <summary>
/// The object retrieves its serialization info.
/// </summary>
public WMIAssocGroupNode(SerializationInfo info, StreamingContext context)
{
try
{
try
{
rm = new ResourceManager("Microsoft.VSDesigner.WMI.Res", // Name of the resource.
".", // Use current directory.
null);
}
catch (Exception)
{
//do nothing, will use static RM
}
//De-serialize string data mambers
String associationPath = info.GetString("associationPath");
String targetClass = info.GetString("targetClass");
String targetRole = info.GetString("targetRole");
//De-serialize strings necessary to restore the source object
String sourcePath = info.GetString("sourcePath");
String sourceNS = info.GetString("sourceNS");
String sourceServer = info.GetString("sourceServer");
//Restore SWbemObject for "source"
ISWbemLocator wbemLocator = WmiHelper.WbemLocator; //(ISWbemLocator)(new SWbemLocator());
ISWbemServices wbemServices = wbemLocator.ConnectServer(sourceServer,
sourceNS,
"", //user: blank defaults to current logged-on user
"", //password: blank defaults to current logged-on user
"", //locale: blank for current locale
"", //authority: NTLM or Kerberos. Blank lets DCOM negotiate.
0, //flags: reserved
null); //context info: not needed here
ISWbemObject sourceInst = wbemServices.Get(sourcePath,
(int)WbemFlagEnum.wbemFlagUseAmendedQualifiers,
null);
theComp = new AssocGroupComponent(sourceInst,
associationPath,
targetClass,
targetRole);
}
catch (Exception exc)
{
MessageBox.Show(WMISys.GetString("WMISE_Exception", exc.Message, exc.StackTrace));
throw (exc);
}
}
private bool ShowClasses(TreeNode curNode)
{
//show hourglass
Cursor curSave = classList.Cursor;
classList.Cursor = Cursors.WaitCursor;
try
{
//check that this is a namespace:
if (curNode.Parent != null)
{
return(false);
}
curNode.Nodes.Clear();
ISWbemServices services = (ISWbemServices)wbemLocator.ConnectServer(machineName,
curNode.Text,
"", "", "", "", 0, null);
ISWbemObjectSet objSet = services.SubclassesOf("", 0, null);
IEnumerator eClasses = ((IEnumerable)objSet).GetEnumerator();
SortedList classNameList = new SortedList(100);
while (eClasses.MoveNext())
{
ISWbemObject obj = (ISWbemObject)eClasses.Current;
string childName = FilterPass(obj);
if (childName != string.Empty)
{
classNameList.Add(childName, childName);
}
}
for (int i = 0; i < classNameList.Count; i++)
{
TreeNode child = new TreeNode(classNameList.GetByIndex(i).ToString());
curNode.Nodes.Add(child);
}
classList.Cursor = curSave;
return(true);
}
catch (Exception e)
{
MessageBox.Show(WMISys.GetString("WMISE_Exception", e.Message, e.StackTrace));
classList.Cursor = curSave;
return(false);
}
}
/// <summary>
/// The object retrieves its serialization info.
/// </summary>
public ExtrinsicEventQueryNode(SerializationInfo info, StreamingContext context)
{
try
{
try
{
rm = new ResourceManager("Microsoft.VSDesigner.WMI.Res", // Name of the resource.
".", // Use current directory.
null);
}
catch (Exception)
{
//do nothing, will use static RM
}
serverName = info.GetString("Server");
nsName = info.GetString("NS");
query = info.GetString("Query");
state = SubscriptionState.Stopped;
rm = new ResourceManager("Microsoft.VSDesigner.WMI.Res", // Name of the resource.
".", // Use current directory.
null);
//Get and cache wbemServices
ISWbemLocator wbemLocator = WmiHelper.WbemLocator; //(ISWbemLocator)(new SWbemLocator());
wbemServices = wbemLocator.ConnectServer(serverName,
nsName,
"", //user: blank defaults to current logged-on user
"", //password: blank defaults to current logged-on user
"", //locale: blank for current locale
"", //authority: NTLM or Kerberos. Blank lets DCOM negotiate.
0, //flags: reserved
null); //context info: not needed here
if (wbemServices == null)
{
throw new Exception(WMISys.GetString("WMISE_WMIConnectFailed"));
}
browseObject = new ExtrinsicEventQueryComponent(serverName, nsName, query, this);
}
catch (Exception exc) {
MessageBox.Show(WMISys.GetString("WMISE_Exception", exc.Message, exc.StackTrace));
throw (exc);
}
}
/// <summary>
/// This is the method to call in case you cannot QI for ISWbemObject
/// on the cached SWbemObject (bug in interop? urt?)
/// </summary>
/// <param name="objPath"> </param>
/// <param name="services"> propriately</param>
/// <param name="serverName"> </param>
/// <param name="nsName"> </param>
static public ISWbemObject GetObject(string objPath,
ISWbemServices services, //in - out
string serverName,
string nsName)
{
try
{
try
{
ISWbemSecurity sec = services.Security_;
}
catch (Exception)
{
//MessageBox.Show ("refreshing services in wmihelper");
services = null;
services = WbemLocator.ConnectServer(serverName,
nsName,
string.Empty,
string.Empty,
string.Empty,
string.Empty,
0,
null);
}
ISWbemObject obj = services.Get(objPath,
(int)WbemFlagEnum.wbemFlagUseAmendedQualifiers,
null);
//MessageBox.Show ("refreshing object in wmihelper");
return(obj);
}
catch (Exception e)
{
MessageBox.Show(WMISys.GetString("WMISE_Exception", e.Message, e.StackTrace));
return(null);
}
}
public static ISWbemObject GetClassObject(ISWbemObject objIn)
{
if (objIn == null)
{
throw new ArgumentException();
}
try
{
ISWbemObjectPath path = objIn.Path_;
if (path.IsClass)
{
return(objIn);
}
ISWbemLocator wbemLocator = WmiHelper.wbemLocator; //(ISWbemLocator)(new SWbemLocator());
ISWbemServices wbemServices = wbemLocator.ConnectServer(path.Server,
path.Namespace,
"", //user: blank defaults to current logged-on user
"", //password: blank defaults to current logged-on user
"", //locale: blank for current locale
"", //authority: NTLM or Kerberos. Blank lets DCOM negotiate.
0, //flags: reserved
null); //context info: not needed here
ISWbemObject classObj = wbemServices.Get(path.Class,
(int)WbemFlagEnum.wbemFlagUseAmendedQualifiers,
null);
return(classObj);
}
catch (Exception e)
{
//MessageBox.Show(WMISys.GetString("WMISE_Exception", e.Message, e.StackTrace));
return(null);
}
}
// private NewChildNode newChildNode = null;
//
// CONSTRUCTORS
//
// <doc>
// <desc>
// Main constructor.
// Parameters:
// string server (in, machine name)
// string pathIn (in, WMI path without the server name , e.g. "root\default:MyClass")
// </desc>
// </doc>
public WMIClassNode(string pathIn)
{
try
{
try
{
rm = new ResourceManager("Microsoft.VSDesigner.WMI.Res", // Name of the resource.
".", // Use current directory.
null);
}
catch (Exception)
{
//do nothing, will use static RM
}
path = pathIn;
//parse the path to get server, namespace and class name
Int32 separ = path.IndexOf("\\", 2);
if (separ == -1)
{
//invalid path
throw (new ArgumentException(WMISys.GetString("WMISE_InvalidPath", pathIn), "pathIn"));
}
serverName = path.Substring(2, separ - 2);
pathNoServer = path.Substring(separ + 1, path.Length - separ - 1);
//split pathNoServer into namespace and classname parts (':' is the separator)
Int32 colon = pathNoServer.IndexOf(':', 0);
if (colon == -1)
{
//invalid path
throw (new ArgumentException(WMISys.GetString("WMISE_InvalidPath, pathIn"), "pathIn"));
}
nsName = pathNoServer.Substring(0, colon);
className = pathNoServer.Substring(colon + 1, pathNoServer.Length - colon - 1);
//Get and cache wmiObj
ISWbemLocator wbemLocator = WmiHelper.WbemLocator; //(ISWbemLocator)(new SWbemLocator());
wbemServices = wbemLocator.ConnectServer(serverName,
nsName,
"", //user: blank defaults to current logged-on user
"", //password: blank defaults to current logged-on user
"", //locale: blank for current locale
"", //authority: NTLM or Kerberos. Blank lets DCOM negotiate.
0, //flags: reserved
null); //context info: not needed here
wmiObj = wbemServices.Get(className,
(int)WbemFlagEnum.wbemFlagUseAmendedQualifiers,
null);
}
catch (Exception exc)
{
//MessageBox.Show(WMISys.GetString("WMISE_Exception", exc.Message, exc.StackTrace));
throw (exc);
}
}
private bool EnumNamespaces(String parent, int num)
//recursively adds namespaces to the drop-down box
{
try
{
try
{
wbemServices = wbemLocator.ConnectServer(machineName,
parent,
"", "", "", "", 0, null);
}
catch (Exception e)
{
//could not connect to the namespace
//The most common cause is "Access denied"
if (parent.ToLower() == "root")
{
//could not connect to Root, put error description text in the treeview
TreeNode errNode = new TreeNode(e.Message);
classList.Nodes.Add(num, errNode);
}
return(false);
}
//show the node
TreeNode dummy = new TreeNode("");
TreeNode[] children = new TreeNode[] { dummy };
TreeNode nsNode = new TreeNode(parent,
//(int)schema_icons.SCHEMA_NS_CLOSED,
//(int)schema_icons.SCHEMA_NS_CLOSED,
children);
nsNode.Collapse();
classList.Nodes.Add(num, nsNode);
ISWbemObjectSet objSet = wbemServices.InstancesOf("__NAMESPACE", 0, null);
IEnumerator eInstances = ((IEnumerable)objSet).GetEnumerator();
while (eInstances.MoveNext())
{
num++;
ISWbemObject obj = (ISWbemObject)eInstances.Current;
ISWbemPropertySet props = (ISWbemPropertySet)obj.Properties_;
string NameOut = "";
string curName = props.Item("Name", 0).get_Value().ToString();
//skip localized namespace
//NOTE: this assumes that localized namespaces are always leaf
if (curName.ToUpper().IndexOf("MS_", 0) == 0)
{
continue;
}
//skip root\security namespace (we don't want to expose it)
if (curName.ToUpper() == "SECURITY" && parent.ToUpper() == "ROOT")
{
continue;
}
//skip root\directory\ldap namespace (BUGBUG: change this in Beta2 when we can do asynchronous class enumerations)
if (curName.ToUpper() == "LDAP" && parent.ToUpper() == "ROOT\\DIRECTORY")
{
continue;
}
if (parent != "")
{
NameOut = parent + "\\" + curName;
}
else
{
NameOut = curName;
}
EnumNamespaces(NameOut, num);
}
return(true);
}
catch (Exception e)
{
MessageBox.Show(WMISys.GetString("WMISE_Exception", e.Message, e.StackTrace));
return(false);
}
}
