public static void FilterUnmanagedWindows(WindowTreeNode parentNode)
{
for (int i = 0; i < parentNode.Nodes.Count; i++)
{
WindowTreeNode node = (WindowTreeNode)parentNode.Nodes[i];
if (!node.IsManaged)// && !HasManagedChild(node))
{
parentNode.Nodes.RemoveAt(i);
i--;
}
else
{
FilterUnmanagedWindows(node);
}
}
}
private void SetWindowTreeNodeImage(ImageList imageList, WindowTreeNode node)
{
this.SetNodeImage(imageList, node);
if (node.Nodes.Count > 0)
{
foreach (WindowTreeNode subNode in node.Nodes)
{
this.SetWindowTreeNodeImage(imageList, subNode);
}
}
}
private void SetNodeImage(ImageList imageList, WindowTreeNode node)
{
IntPtr hIcon = NativeMethods.GetClassLongPtr(node.Hwnd, NativeMethods.GCLP_HICON);
if (IntPtr.Zero == hIcon)
{
if (node.IsManaged)
{
imageList.Images.Add(node.Hwnd.ToString(), Resources.DotNetWindow);
}
else
{
imageList.Images.Add(node.Hwnd.ToString(), Resources.Window);
}
}
else
{
Icon icon = Icon.FromHandle(hIcon);
if (null == icon)
{
hIcon = NativeMethods.SendMessage(
node.Hwnd,
NativeMethods.WM_GETICON,
new IntPtr(NativeMethods.ICON_BIG),
IntPtr.Zero);
}
if (null != icon)
{
imageList.Images.Add(node.Hwnd.ToString(), icon);
}
}
node.ImageKey = node.Hwnd.ToString();
node.SelectedImageKey = node.Hwnd.ToString();
node.StateImageKey = node.Hwnd.ToString();
}
public bool HasManagedChild(WindowTreeNode parentNode)
{
bool ret = false;
foreach(WindowTreeNode node in parentNode.Nodes)
{
if (node.IsManaged || HasManagedChild(node))
{
ret = true;
break;
}
}
return ret;
}
private WindowTreeNode AddWindowNode(WindowTreeNode node)
{
IntPtr hwndParent = NativeMethods.GetParent(node.Hwnd);
if (hwndNodeMap.ContainsKey(hwndParent))
{
WindowTreeNode parentNode = (WindowTreeNode)hwndNodeMap[hwndParent];
if (parentNode != null) parentNode.Nodes.Add(node);
}
else
{
this.RootNode.Nodes.Add(node);
}
return node;
}
private WindowTreeNode AddWindow(IntPtr hwnd, bool isManaged)
{
WindowTreeNode node = new WindowTreeNode(hwnd, isManaged);
if (!isManaged)
{
NativeWindow native = new NativeWindow();
native.Handle = hwnd;
native.ClassName = node.WindowClassName;
native.Text = node.WindowText;
node.Tag = native;
}
if (!hwndNodeMap.ContainsKey(hwnd)) hwndNodeMap[hwnd] = node;
return node;
}