private void UpdatePrimitiveList()
{
var searchString = new Regex(".*" + SearchBox.Text.ToLowerInvariant() + ".*");
PrimitiveList.ClearSelected();
lock (EditorLock) Editor.ClearPlacement();
PrimitiveList.Items.Clear();
foreach (var prim in CurrentFullList)
{
if (searchString.IsMatch(prim.ToString().ToLowerInvariant())) PrimitiveList.Items.Add(prim);
}
}