private void deleteToolStripMenuItem_Click(object sender, EventArgs e)
{
TreeNode node = this.objectsTreeView.SelectedNode;
if (node == null)
{
return;
}
SceneObject obj = node.Tag as SceneObject;
if (obj == null)
{
return;
}
if (obj.Parent == null)
{
throw new Exception("This should not happen.");
}
obj.Parent.Children.Remove(obj);
if (node.Parent == null)
{
this.objectsTreeView.Nodes.Remove(node);
}
else
{
node.Parent.Nodes.Remove(node);
}
obj.Dispose();
this.scientificCanvas.Invalidate();
}