fix:win11视频异常暂停

LiveWallpaperEngineAPI/Utils/MaximizedMonitor.cs

@@ -25,7 +25,7 @@ public static void Check()
             if (_cp == null)
                 _cp = Process.GetCurrentProcess();
 
-            new OtherProgramChecker(_cp.Id).CheckMaximized(out List<Screen> fullscreenWindow);
+            new DZY.WinAPI.Helpers.OtherProgramChecker(_cp.Id).CheckMaximized(out List<Screen> fullscreenWindow);
             if (_maximizedScreens.Count == fullscreenWindow.Count)
                 return;
 

LiveWallpaperEngineAPI/Utils/OtherProgramChecker.cs

@@ -0,0 +1,127 @@
+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Windows.Forms;
+using WinAPI;
+
+namespace DZY.WinAPI.Helpers
+{
+    public class OtherProgramChecker
+    {
+        private bool _maximized = false;
+        private static int? _ignorePid;
+        private readonly bool _onlyFullScreen;
+        private List<Screen> _maximizedScreens;
+
+        public OtherProgramChecker(int? currentProcess = null, bool onlyFullScreen = false)
+        {
+            _ignorePid = currentProcess;
+            //是否只检测全屏，任务栏没遮挡不算
+            _onlyFullScreen = onlyFullScreen;
+        }
+
+        public void CheckMaximized(out List<Screen> maximizedScreens)
+        {
+            _maximizedScreens = new List<Screen>();
+            bool ok = User32Wrapper.EnumDesktopWindows(IntPtr.Zero, new User32Wrapper.EnumDelegate(EnumDesktopWindowsCallBack), IntPtr.Zero);
+            maximizedScreens = _maximizedScreens;
+            //return _maximized;
+        }
+
+        private bool EnumDesktopWindowsCallBack(IntPtr hWnd, int lParam)
+        {
+            if (_ignorePid != null)
+            {
+                //过滤当前进程
+                int pid = User32WrapperEx.GetProcessId(hWnd);
+                if (pid == _ignorePid)
+                    return true;
+            }
+
+            _maximized = IsMAXIMIZED(hWnd, _onlyFullScreen);
+            if (_maximized)
+            {
+                var screen = Screen.FromHandle(hWnd);
+                if (_maximizedScreens.Contains(screen))
+                    return true;
+
+                _maximizedScreens.Add(screen);
+                if (Screen.AllScreens.Length == _maximizedScreens.Count)
+                    //所有屏幕都已经全屏，不用继续检查
+                    return false;
+                return true;
+            }
+
+            return true;
+        }
+
+        /// <summary>
+        /// 窗口是否是最大化
+        /// </summary>
+        /// <param name="handle"></param>
+        /// <returns></returns>
+        public static bool IsMAXIMIZED(IntPtr handle, bool onlyFullScreen)
+        {
+            var className = User32Wrapper.GetClassName(handle);
+            //过滤一些class，导致错误暂停视频
+            string[] strings = { "Progman", "WorkerW", "Shell_TrayWnd", "DV2ControlHost" };
+            if (Array.IndexOf(strings, className) >= 0)
+                return false;
+
+            WINDOWPLACEMENT placment = new WINDOWPLACEMENT();
+            User32Wrapper.GetWindowPlacement(handle, ref placment);
+            //_ = User32WrapperEx.GetProcessId(handle);
+
+            bool visible = User32Wrapper.IsWindowVisible(handle);
+            if (visible)
+            {
+                if (!onlyFullScreen && placment.showCmd == WINDOWPLACEMENTFlags.SW_SHOWMAXIMIZED)
+                {//窗口最大化
+                 // Exclude suspended Windows apps
+                    _ = DwmapiWrapper.DwmGetWindowAttribute(handle, DwmapiWrapper.DWMWINDOWATTRIBUTE.DWMWA_CLOAKED, out var cloaked, Marshal.SizeOf<bool>());
+                    //隐藏的UWP窗口
+                    if (cloaked)
+                    {
+                        return false;
+                    }
+                    //System.Diagnostics.Debug.WriteLine($"pid:{pid} maximized");
+                    return true;
+                }
+
+                ////判断一些隐藏窗口
+                ////http://forums.codeguru.com/showthread.php?445207-Getting-HWND-of-visible-windows
+                //var wl = User32Wrapper.GetWindowLong(handle, WindowLongConstants.GWL_STYLE) & WindowStyles.WS_EX_APPWINDOW;
+                //if (wl <= 0)
+                //    return false;
+
+                //判断是否是游戏全屏
+                User32Wrapper.GetWindowRect(handle, out var r);
+
+                //System.Diagnostics.Debug.WriteLine($"pid:{pid} r:{r.Left} {r.Top} {r.Right} {r.Bottom} {DateTime.Now}");
+                if (r.Left == 0 && r.Top == 0)
+                {
+                    int with = r.Right - r.Left;
+                    int height = r.Bottom - r.Top;
+
+                    if (height == Screen.PrimaryScreen.Bounds.Height
+                        && with == Screen.PrimaryScreen.Bounds.Width)
+                    {
+                        //当前窗口最大化，进入了游戏
+                        var foregroundWIndow = User32Wrapper.GetForegroundWindow();
+                        if (foregroundWIndow == handle)
+                        {
+                            _ = User32WrapperEx.GetWindowTextEx(handle);
+                            //var desktop = User32Wrapper.GetDesktopWindow();
+                            if (className == "WorkerW")
+                                return false;
+                            return true;
+                        }
+                    }
+                }
+            }
+            return false;
+        }
+    }
+}