public void Dispose()
{
if (_subtreeManager != null)
{
_subtreeManager.Dispose();
_subtreeManager = null;
}
}
/// <summary>
/// Rebuilds the sub-tree
/// </summary>
private void RebuildSubTree()
{
// dispose of the old sub-tree manager
if (_subtreeManager != null)
{
_subtreeManager.Dispose();
_subtreeManager = null;
}
// get the sub-tree from the binding
// note: there is no guarantee that successive calls will return the same ITree instance,
// which is why we create a new BindingTreeLevelManager
var subTree = _parentTree.Binding.GetSubTree(_item);
if (subTree != null)
{
_subtreeManager = new BindingTreeLevelManager(subTree, this.Nodes, _bindingTreeView);
}
}