Gh Mouse_focus On Rhino

My custom pick logic always loses focus the first time. How do I [Set one Curve] like the default pick logic?

image

Code:

    public void GetRhobj()
    {
        //IntPtr hwnd = RhinoApp.MainWindowHandle(); // Rhino_Win

        var Ge = new Rhino.Input.Custom.GetObject();
        Ge.SetCommandPrompt("选择一个物件");

        Grasshopper.Instances.DocumentEditor.WindowState = FormWindowState.Minimized;

        Grasshopper.Plugin.GH_PluginUtil.FocusOnRhino();
        Grasshopper.Plugin.GH_PluginUtil.BringRhinoToTop();


        // Ge.Get();
        Ge.GetMultiple(1, 0);

        var Id = Ge.Object(0).ObjectId;
        RhGuid = Id.ToString();
        RhinoApp.WriteLine(RhGuid, "选择的物件");

        Grasshopper.Instances.DocumentEditor.WindowState = FormWindowState.Normal;
    }