Unity Windows 窗口最大化最小化

using System;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using UnityEngine;

public class WindowMaxAndMin : MonoBehaviour
{
    [DllImport("user32.dll")]
    public static extern bool ShowWindow(IntPtr hwnd, int nCmdShow);

    [DllImport("user32.dll")]
    static extern IntPtr GetForegroundWindow();

    const int SW_SHOWMINIMIZED = 2; //{最小化, 激活}  
    const int SW_SHOWMAXIMIZED = 3; //最大化  
    const int SW_SHOWRESTORE = 1; //还原  

    private void Start()
    {
        
        //获取设置当前屏幕分辩率 
        Resolution[] resolutions = Screen.resolutions;
        //设置当前分辨率 
        Screen.SetResolution(resolutions[resolutions.Length - 1].width, resolutions[resolutions.Length - 1].height,FullScreenMode.Windowed);

        Screen.fullScreen = false; //设置成全屏
        Invoke("OnClickMaximize",0.3f);
    }

    public void OnClickMinimize()
    {
        //最小化   

        ShowWindow(GetForegroundWindow(), SW_SHOWMINIMIZED);
    }

    public void OnClickMaximize()
    {
        //最大化  
        ShowWindow(GetForegroundWindow(), SW_SHOWMAXIMIZED);
    }

    public void OnClickRestore()
    {
        //还原  
        ShowWindow(GetForegroundWindow(), SW_SHOWRESTORE);
    }

    // //测试  
    // public void OnGUI()
    // {
    //     if (GUI.Button(new Rect(100, 100, 200, 100), "最大化"))
    //
    //         OnClickMaximize();
    //     if (GUI.Button(new Rect(100, 300, 200, 100), "最小化"))
    //
    //         OnClickMinimize();
    //     if (GUI.Button(new Rect(100, 500, 200, 100), "窗口还原"))
    //
    //         OnClickRestore();
    // }
}