private void ContextMenu_Delete_Click(object sender, EventArgs e)
{
var elements = GetSelectedElements().ToList();
if (elements.Count > 1)
{
//TODO: show confirmation message when deleting more than one
}
ProjectManager.ClearSelection();
ProjectManager.StartBatchChanges();
var removedElements = elements.Where(x => x.TryRemove()).ToList();
if (removedElements.OfType <ModelMeshReference>().Any())
{
CurrentProject.RemoveUnreferencedMeshes();
}
ProjectManager.EndBatchChanges();
}