代码

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System;
using System.Runtime.InteropServices;
public class MyWindow : MonoBehaviour
{[DllImport("user32.dll")]private static extern IntPtr GetActiveWindow();[DllImport("user32.dll", CharSet = CharSet.Auto, ExactSpelling = true)]public static extern int ShowWindow(IntPtr hwnd, int nCmdShow);[DllImport("user32.dll")]public static extern bool GetWindowRect(IntPtr hWnd, ref RECT rect);[StructLayout(LayoutKind.Sequential)]public struct RECT{public int Left;                             //最左坐标public int Top;                             //最上坐标public int Right;                           //最右坐标public int Bottom;                        //最下坐标}[DllImport("user32.dll")]public static extern bool MoveWindow(IntPtr hWnd, int x, int y, int width, int height, bool repaint);//***********************IntPtr myintptr;RECT rect;float w_h;int w;int h;int x;int y;void Start(){myintptr = GetActiveWindow();w_h = 9f / 16f;                                        //窗口横纵比例GetWindowRect(myintptr, ref rect);w = rect.Right - rect.Left;                        //窗口的宽度h = rect.Bottom - rect.Top;						//窗口的高度}void LateUpdate(){SetWindow();}void SetWindow(){GetWindowRect(myintptr, ref rect);w = rect.Right - rect.Left;                        //窗口的宽度h = rect.Bottom - rect.Top;                   //窗口的高度x = rect.Left;y = rect.Top;float z = w / h;if (z > w_h + 0.01f || z < w_h - 0.01f){h = (int)(w / w_h);MoveWindow(myintptr, x, y, w, h, true);}}
}

设置