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78 lines
2.9 KiB
78 lines
2.9 KiB
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using System.Runtime.InteropServices;
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using System;
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public class Window: MonoBehaviour
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{
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// 导入 user32.dll 库以使用 Windows API 函数
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[DllImport("user32.dll")]
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public static extern int MessageBox(IntPtr hWnd, string text, string caption, uint type);
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// 定义一个结构来存储窗口边框的边距大小
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private struct MARGINS
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{
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public int cxLeftWidth;
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public int cxRightWidth;
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public int cyTopHeight;
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public int cyBottomHeight;
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}
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// 导入 user32.dll 以获取活动窗口句柄 (HWND)
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[DllImport("user32.dll")]
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private static extern IntPtr GetActiveWindow();
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// 导入 Dwmapi.dll 以将窗口边框扩展到客户区域
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[DllImport("Dwmapi.dll")]
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private static extern uint DwmExtendFrameIntoClientArea(IntPtr hWnd, ref MARGINS margins);
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// 导入 user32.dll 以修改窗口属性
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[DllImport("user32.dll")]
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private static extern int SetWindowLong(IntPtr hWnd, int nIndex, uint dwNewLong);
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// 导入 user32.dll 以设置窗口位置
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[DllImport("user32.dll", SetLastError = true)]
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static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter, int X, int Y, int cx, int cy, uint uFlags);
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// 导入 user32.dll 以设置分层窗口属性 (透明度)
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[DllImport("user32.dll")]
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static extern int SetLayeredWindowAttributes(IntPtr hWnd, uint crKey, byte bAlpha, uint dwFlags);
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// 代码中使用的常量和变量
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const int GWL_EXSTYLE = -20; // 修改窗口样式的索引
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const uint WS_EX_LAYERED = 0x00080000; // 分层窗口的扩展样式
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const uint WS_EX_TRANSPARENT = 0x00000020; // 透明窗口的扩展样式
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static readonly IntPtr HWND_TOPMOST = new IntPtr(-1); // 窗口插入位置（始终置顶）
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const uint LWA_COLORKEY = 0x00000001; // 设置颜色键的标志（用于透明度）
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private IntPtr hWnd; // 活动窗口的句柄
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private void Start()
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{
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// 显示一个消息框（仅用于演示目的）
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// MessageBox(new IntPtr(0), "Hello world", "Hello Dialog", 0);
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#if !UNITY_EDITOR
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// 获取活动窗口的句柄
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hWnd = GetActiveWindow();
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// 创建一个边距结构来定义边框大小
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MARGINS margins = new MARGINS { cxLeftWidth = -1 };
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// 将窗口边框扩展到客户区域（玻璃效果）
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DwmExtendFrameIntoClientArea(hWnd, ref margins);
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// 将窗口样式设置为分层和透明
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SetWindowLong(hWnd, GWL_EXSTYLE, WS_EX_LAYERED);
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// 设置窗口颜色键（用于透明度）
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SetLayeredWindowAttributes(hWnd, 0, 0, LWA_COLORKEY);
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// 将窗口位置设置为始终置顶
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SetWindowPos(hWnd, HWND_TOPMOST, 0, 0, 0, 0, 0);
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#endif
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// 允许应用在后台运行
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Application.runInBackground = true;
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}
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} |