public bool TryOpenPropItemSet(BagNode propBagNode)
{
bool result;
PropNodeCollectionInternalInterface pnc_int = propBagNode.PropNodeCollection;
if (!pnc_int.IsFixed)
{
System.Diagnostics.Debug.WriteLine("Warning: PropStoreAccessServiceProvider is being asked to open a PropItemSet that is already open.");
result = true;
}
else
{
// Create a new collection. (New Collections are open by default.)
PropNodeCollectionInternalInterface newOpenCollection = new PropNodeCollection(pnc_int);
// Remove the old set from the StoreByType
RemoveFixedPropCollection(propBagNode.ObjectId, pnc_int);
// Replace the exixting collection with the new one.
propBagNode.PropNodeCollection = newOpenCollection;
// return a reference to the new one cast as an object.
result = true;
}
return(result);
}
private PropNodeCollectionIntInterface ClonePropNodes(PropNodeCollectionIntInterface sourcePNC, BagNode targetParent)
{
PropNodeCollectionIntInterface result;
List <PropNode> newPropNodeColl = new List <PropNode>();
foreach (PropNode propNode in sourcePNC.GetPropNodes())
{
PropNode newPropNode = propNode.CloneForNewParent(targetParent, useExistingValues: true);
newPropNodeColl.Add(newPropNode);
}
if (sourcePNC.IsFixed)
{
System.Diagnostics.Debug.Assert(!sourcePNC.PropItemSetKey.IsEmpty, "We found a fixed PropSetCollection that has an empty PropItemSetKey.");
// Create a Fixed PropNodeCollection.
result = new PropNodeCollectionFixed(newPropNodeColl, sourcePNC.PropItemSetKey, sourcePNC.MaxPropsPerObject);
}
else
{
// Create an open PropNodeCollection.
result = new PropNodeCollection(newPropNodeColl, sourcePNC.PropItemSetKey, sourcePNC.MaxPropsPerObject);
}
return(result);
}