public class windowsscript : MonoBehaviour {

    bool windowshow=true;

    Rect windowrect=new Rect(,,,);

    void OnGUI()

    {

        //定义一个toggle控制窗体的显示和隐藏

        windowshow=GUI.Toggle(new Rect(,,,),windowshow ,"是否显示窗体");

            if (windowshow)

            windowrect=GUI.Window(,windowrect,mywindowfunction,"我的窗口");

    }

    void mywindowfunction(int windowid)

    {

        if(GUI.Button(new Rect(,,,),"窗体内按钮"))

        {

            print("窗体内按钮被点击");

        }

        //定义窗体可以活动的范围

        GUI.DragWindow (new Rect(,,,));

    }