那么窗口句柄又该怎么获取,一直找不到一个看得懂的语句。
2条回答 默认 最新
- 真的小白啊 2021-08-11 16:24关注
获取窗口句柄也是容易的
EnumWindows
https://docs.microsoft.com/zh-cn/windows/win32/api/winuser/nf-winuser-enumwindowsprivate static void Main(string[] args) { List<Window> windows = Window.GetWindows(); foreach (Window window in windows) { Console.WriteLine(window); } Console.ReadKey(); }
public delegate bool EnumWindowsProc(IntPtr hwnd, IntPtr lParam); public class Window { private static List<Window> _windows = new List<Window>(); public string ClassName { get; set; } public IntPtr HWnd { get; set; } public string Title { get; set; } public override string ToString() { return $"标题:{Title}\n" + $"类名:{ClassName}\n" + $"句柄:{HWnd}\n"; } public static List<Window> GetWindows() { _windows.Clear(); EnumWindows(EnumWindowsFunc, IntPtr.Zero); return _windows; } private static bool EnumWindowsFunc(IntPtr hwnd, IntPtr lParam) { if (hwnd == IntPtr.Zero) { return false; } else { if (IsWindow(hwnd) != 0) { StringBuilder buffer = new StringBuilder(256); Window window = new Window { HWnd = hwnd }; _ = GetClassNameW(hwnd, buffer, buffer.Capacity); window.ClassName = buffer.ToString(); buffer.Clear(); _ = GetWindowTextW(hwnd, buffer, buffer.Capacity); window.Title = buffer.ToString(); _windows.Add(window); } return true; } } [DllImport("User32.dll")] private static extern bool EnumWindows(EnumWindowsProc lpEnumFunc, IntPtr lParam); [DllImport("User32.dll")] private static extern int IsWindow(IntPtr hWnd); [DllImport("User32.dll", CharSet = CharSet.Unicode)] private static extern int GetClassNameW(IntPtr hWnd, StringBuilder lpClassName, int nMaxCount); [DllImport("User32.dll", CharSet = CharSet.Unicode)] private static extern int GetWindowTextW(IntPtr hWnd, StringBuilder lpString, int nMaxCount); }
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