}// InsertChildren
internal void InsertSpecificChild(int iChild)
{
SCOPEDATAITEM sdi = new SCOPEDATAITEM();
CNode nChild = CNodeManager.GetNode(iChild);
sdi.mask = SDI.STR |
SDI.PARAM |
SDI.PARENT |
SDI.IMAGE |
SDI.OPENIMAGE |
SDI.CHILDREN;
// The image index is going to be the same as the cookie value
sdi.nImage = CResourceStore.GetIconCookie(nChild.IconHandle);
// The open image is the same as the closed image
sdi.nOpenImage = sdi.nImage;
sdi.relativeID = m_iHScopeItem;
// We set displayname to -1 to initiate a callback for the string
// (We need to do it this way... it's an MMCism)
sdi.displayname = (IntPtr)(-1);
sdi.lParam = nChild.Cookie;
// The children field is set to either 0 or 1 (if it has children or not)
sdi.cChildren = (nChild.NumChildren == 0)?0:1;
// Once the item has been inserted, we're given the HScopeItem value for the node
// MMC uses this value to uniquely identify the node. We'll store it for future
// use.
nChild.HScopeItem = CNodeManager.InsertItem(sdi);
// We'll also put in the parent's HScopeItem
nChild.m_iParentHScopeItem = HScopeItem;
// Also, we can be slick and expand this child's node too
// We don't care about perf savings after startup... do the expansion now
// Also, if we have a non MMC host, we're not sure how it will behave
// if it doesn't have all the nodes. Let's force the expand if we're not
// running under MMC
if (m_fInitialCreationDone || CNodeManager.Console is INonMMCHost)
{
// Expand this child
CNodeManager.ExpandNodeNamespace(nChild.HScopeItem);
}
else if (Cookie == 0)
{
Thread t = new Thread(new ThreadStart(nChild.LazyExpand));
t.Start();
}
}// InsertSpecificChild
}// onExpand
internal void LazyExpand()
{
// Expand all non-root nodes on another thread to free
// up the main thread so it can do what it needs to do when
// starting up
if (Cookie != CNodeManager.RootNodeCookie && !m_fInsertedChildrenOnExpand)
{
ArrayList al = new ArrayList();
al.Add(Cookie);
// We need to expand all the children in a non-recursive way.
// We'll use a queue approach
while (al.Count > 0)
{
CNode node = CNodeManager.GetNode((int)al[0]);
// First "expand" this node so it can receive children
CNodeManager.ExpandNodeNamespace(node.HScopeItem);
node.InsertChildren(node.HScopeItem);
node.m_fInsertedChildrenOnExpand = true;
// Push this node's children into our queue
for (int i = 0; i < node.NumChildren; i++)
{
al.Add(node.Child[i]);
}
// Remove this node we're working on
al.RemoveAt(0);
}
// All done with the initial slew of nodes
m_fInitialCreationDone = true;
// Let the node manager know, in case there's something else we want to do
CNodeManager.FinishedNodeLoading();
}
}// LazyExpand
