private void ListBox1_SelectedIndexChanged(object sender, EventArgs e)
{
Dictionary <EditorScene.ObjID, EditorScene.SelectInfo> newSelection = new Dictionary <EditorScene.ObjID, EditorScene.SelectInfo>();
foreach (int i in listBox1.SelectedIndices)
{
EditorScene.ObjID id = new EditorScene.ObjID(i, 0);
newSelection.Add(id, scene.generateSelectInfo(id));
}
scene.SelectedObjects = newSelection;
}