protected override INiIsolationClient CreateWindow() { var commandManager = (INiCommandManager)GetService(typeof(INiCommandManager)); ErrorUtil.ThrowOnFailure(commandManager.CreateCommandBarWindow(CommandBarId, out _window)); ErrorUtil.ThrowOnFailure(_window.Initialize()); SetBoundsCore(0, 0, Width, Height, BoundsSpecified.Size); return(_window); }