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