private CameraTreeNode NodeAdd(ItemClass c, CameraTreeNode p)
{
if (c is CameraClass && this.AtTheEdge())
{
return(null);
}
CameraTreeNode n;
n = new CameraTreeNode(c);
if (p == null)
{
this.treeViewCamera.Nodes.Add(n);
RootClass.Instance.Add(c);
}
else
{
GroupClass g = p.Item as GroupClass;
g.Add(c);
p.Nodes.Add(n);
}
this.treeViewCamera.SelectedNode = n;
return(n);
}