public TreeProcessor(TreeNode node, ProcessTreeNode eventHandler)
{
if (eventHandler != null)
{
ProcessTreeNodeEventHandler += eventHandler;
Process(node);
}
}
/// <summary>
/// Enums the nodes.
/// </summary>
/// <param name="nodes">The nodes.</param>
/// <param name="callback">The callback.</param>
private static void EnumNodes(TreeNodeCollection nodes, ProcessTreeNode callback)
{
foreach (TreeNode node in nodes)
{
callback(node);
if (node.Nodes.Count > 0)
{
EnumNodes(node.Nodes, callback);
}
}
}
private static void FillTree()
{
DateTime start = DateTime.Now;
var results = new List <Process>();
// query the management system objects for any process that has the current
// process listed as it's parentprocessid
string queryText = string.Format("select processid, parentprocessid from win32_process");
using (var searcher = new ManagementObjectSearcher(queryText))
{
foreach (var obj in searcher.Get())
{
object pidObj = obj.Properties["processid"].Value;
object parentPidObj = obj.Properties["parentprocessid"].Value;
if (pidObj != null)
{
int pid = Convert.ToInt32(pidObj);
if (!processes.ContainsKey(pid))
{
processes.Add(pid, new ProcessTreeNode(pid));
}
ProcessTreeNode currentNode = processes[pid];
if (parentPidObj != null)
{
currentNode.Parent = Convert.ToInt32(parentPidObj);
}
}
}
}
DateTime num1 = DateTime.Now;
foreach (ProcessTreeNode node in processes.Values)
{
if (node.Parent != 0 && processes.ContainsKey(node.Parent))
{
processes[node.Parent].Children.Add(node.Pid);
}
}
timeFilled = DateTime.Now;
StaticLogger.Log(string.Format("ProcessTree.FillTree() completed in {0} seconds. 1={1} 2={2}",
(timeFilled - start).TotalSeconds,
(num1 - start).TotalSeconds,
(timeFilled - num1).TotalSeconds));
}
private static void FillTree()
{
processes.Clear();
var results = new List <Process>();
string queryText = string.Format("select processid, parentprocessid from win32_process");
using (var searcher = new ManagementObjectSearcher(queryText))
{
foreach (var obj in searcher.Get())
{
object pidObj = obj.Properties["processid"].Value;
object parentPidObj = obj.Properties["parentprocessid"].Value;
if (pidObj != null)
{
int pid = Convert.ToInt32(pidObj);
if (!processes.ContainsKey(pid))
{
processes.Add(pid, new ProcessTreeNode(pid));
}
ProcessTreeNode currentNode = processes[pid];
if (parentPidObj != null)
{
currentNode.Parent = Convert.ToInt32(parentPidObj);
}
}
}
}
foreach (ProcessTreeNode node in processes.Values)
{
if (node.Parent != 0 && processes.ContainsKey(node.Parent))
{
processes[node.Parent].Children.Add(node.Pid);
}
}
timeFilled = DateTime.Now;
}
/// <summary>
/// Traverses the specified callback.
/// </summary>
/// <param name="callback">The callback.</param>
public void Traverse(ProcessTreeNode callback)
{
EnumNodes(_treeView.Nodes, callback);
}
