public FormsToolBoxService(FormsToolBoxBuilder builder)
{
_toolBoxItems = builder.CollectItemsFromAssembly(typeof(Form).Assembly);
}
public FormsDesignerExtension()
{
_formEditors = new Dictionary<OpenedFile, FormsDesignerContent>();
ToolBoxBuilder = new FormsToolBoxBuilder();
DesignerSurfaceManager = new DesignSurfaceManager();
}