//public HierarchyEventSink GetHierarchyEvents(IVsHierarchy vsHierarchy)
//{
// HierarchyEventSink target = this.TryGetHierarchyEventSink(new HierarchyIdentity(vsHierarchy));
// if (target == null)
// {
// target = new HierarchyEventSink(this, vsHierarchy);
// this._weakHierarchies.Add(new HierarchyIdentity(vsHierarchy), new WeakReference(target));
// }
// return target;
//}
//public HierarchyListItem GetHierarchyItem(HierarchyItemIdentity identity)
//{
// HierarchyListItem target = this.TryGetHierarchyItem(identity);
// if (target == null)
// {
// target = new HierarchyListItem(this, identity);
// this.GetHierarchyEvents(identity.Hierarchy);
// if (identity.IsNestedItem)
// {
// this.GetHierarchyEvents(identity.NestedHierarchy);
// }
// this._weakItems.Add(identity, new WeakReference(target));
// }
// return target;
//}
//public HierarchyListItem GetHierarchyItem(IVsHierarchy vsHierarchy, uint itemid)
//{
// return this.GetHierarchyItem(HierarchyItemIdentity.Create(vsHierarchy, itemid));
//}
//private void RemoveIdentity(HierarchyItemIdentity identity)
//{
// this._weakItems.Remove(identity);
// this._hierarchyIdentities.Remove(identity.HierarchyInfo);
// if (identity.IsNestedItem)
// {
// this._hierarchyIdentities.Remove(identity.NestedInfo);
// }
//}
//private HierarchyEventSink TryGetHierarchyEventSink(HierarchyIdentity identity)
//{
// WeakReference reference;
// if (this._weakHierarchies.TryGetValue(identity, out reference))
// {
// if (reference.IsAlive)
// {
// return (reference.Target as HierarchyEventSink);
// }
// this._weakHierarchies.Remove(identity);
// }
// return null;
//}
//public HierarchyListItem TryGetHierarchyItem(HierarchyItemIdentity identity)
//{
// WeakReference reference;
// if (this._weakItems.TryGetValue(identity, out reference))
// {
// if (reference.IsAlive)
// {
// return (reference.Target as HierarchyListItem);
// }
// this._weakItems.Remove(identity);
// }
// return null;
//}
//public HierarchyListItem TryGetHierarchyItem(IVsHierarchy hierarchy, uint itemid)
//{
// return this.TryGetHierarchyItem(HierarchyItemIdentity.Create(hierarchy, itemid));
//}
public HierarchyItemIdentity TryGetHierarchyItemIdentity(IVsHierarchy hierarchy, uint itemid)
{
HierarchyItemIdentity identity;
HierarchyItemPair key = new HierarchyItemPair(hierarchy, itemid);
this._hierarchyIdentities.TryGetValue(key, out identity);
return(identity);
}
public override bool Equals(object obj)
{
HierarchyItemPair pair = obj as HierarchyItemPair;
if (pair == null)
{
return(false);
}
return(ComUtilities.IsSameComObject(this.Hierarchy, pair.Hierarchy) && (this.ItemID == pair.ItemID));
}
// Methods
private HierarchyItemIdentity(IVsHierarchy hierarchy, uint itemid)
{
IVsHierarchy hierarchy2;
uint num;
if (((itemid == 0xfffffffe) && HierarchyUtilities.TryGetHierarchyProperty <IVsHierarchy>(hierarchy, itemid, -2032, out hierarchy2)) && HierarchyUtilities.TryGetHierarchyProperty <uint>(hierarchy, itemid, -2033, var => Unbox.AsUInt32(var), out num))
{
this._isNestedInfoValid = true;
this._isNestedItem = true;
this._hierarchyInfo = new HierarchyItemPair(hierarchy2, num);
this._nestedInfo = new HierarchyItemPair(hierarchy, itemid);
}
else
{
this._hierarchyInfo = new HierarchyItemPair(hierarchy, itemid);
}
}
private bool MaybeMapToNested(out HierarchyItemPair nestedInfo)
{
uint num;
IntPtr ptr;
Guid gUID = typeof(IVsHierarchy).GUID;
if (ErrorHandler.Succeeded(this.Hierarchy.GetNestedHierarchy(this.ItemID, ref gUID, out ptr, out num)) && (ptr != IntPtr.Zero))
{
IVsHierarchy objectForIUnknown;
using (SafeIUnknown unknown = new SafeIUnknown(ptr))
{
objectForIUnknown = Marshal.GetObjectForIUnknown(unknown.Value) as IVsHierarchy;
}
nestedInfo = new HierarchyItemPair(objectForIUnknown, num);
return(true);
}
nestedInfo = this._hierarchyInfo;
return(false);
}
