using System; using System.Collections.Generic; using System.Drawing; using System.Linq; using System.Runtime.InteropServices; using System.Text; using System.Threading.Tasks; namespace QYDongDongTool { public class CSharpAPIs { private delegate bool WNDENUMPROC(IntPtr hWnd, int lParam); [DllImport("user32.dll")] private static extern bool EnumWindows(WNDENUMPROC lpEnumFunc, int lParam); //[DllImport("user32.dll")] //private static extern IntPtr FindWindowW(string lpClassName, string lpWindowName); [DllImport("user32.dll")] private static extern int GetWindowTextW(IntPtr hWnd, [MarshalAs(UnmanagedType.LPWStr)] StringBuilder lpString, int nMaxCount); [DllImport("user32.dll")] private static extern int GetClassNameW(IntPtr hWnd, [MarshalAs(UnmanagedType.LPWStr)] StringBuilder lpString, int nMaxCount); [DllImport("User32.dll", CharSet = CharSet.Auto)] public static extern int GetWindowThreadProcessId(IntPtr hwnd, out int ID); [DllImport("user32.dll", EntryPoint = "ShowWindow", SetLastError = true)] public static extern int ShowWindow(IntPtr hwnd, int nCmdShow); [DllImport("user32.dll")] public static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndlnsertAfter, int X, int Y, int cx, int cy, uint Flags); [DllImport("user32.dll", EntryPoint = "SetParent")] public static extern int SetParent(IntPtr hWndChild, IntPtr hWndNewParent); [DllImport("user32.dll", CharSet = CharSet.Auto)] public static extern int MoveWindow(IntPtr hWnd, int x, int y, int nWidth, int nHeight, bool BRePaint); [DllImport("user32.dll")] public static extern IntPtr GetTopWindow(IntPtr hWnd); [DllImport("user32.dll", CharSet = CharSet.Auto, EntryPoint = "GetWindow", SetLastError = true)] public static extern IntPtr GetNextWindow(IntPtr hwnd, [MarshalAs(UnmanagedType.U4)] int wFlag); [DllImport("user32.dll", EntryPoint = "GetDesktopWindow", CharSet = CharSet.Auto, SetLastError = true)] public static extern IntPtr GetDesktopWindow(); [DllImport("user32.dll", EntryPoint = "GetWindowLong")] private static extern IntPtr GetWindowLongPtr32(IntPtr hWnd, int nIndex); [DllImport("user32.dll", EntryPoint = "GetWindowLongPtr")] private static extern IntPtr GetWindowLongPtr64(IntPtr hWnd, int nIndex); // This static method is required because Win32 does not support // GetWindowLongPtr directly public static IntPtr GetWindowLong(IntPtr hWnd, int nIndex) { if (IntPtr.Size == 8) return GetWindowLongPtr64(hWnd, nIndex); else return GetWindowLongPtr32(hWnd, nIndex); } public static IntPtr SetWindowLong(IntPtr hWnd, int nIndex, IntPtr dwNewLong) { if (IntPtr.Size == 8) return SetWindowLongPtr64(hWnd, nIndex, dwNewLong); else return new IntPtr(SetWindowLong32(hWnd, nIndex, dwNewLong.ToInt32())); } [DllImport("user32.dll", EntryPoint = "SetWindowLong")] private static extern int SetWindowLong32(IntPtr hWnd, int nIndex, int dwNewLong); [DllImport("user32.dll", EntryPoint = "SetWindowLongPtr")] private static extern IntPtr SetWindowLongPtr64(IntPtr hWnd, int nIndex, IntPtr dwNewLong); [DllImport("user32.dll", CharSet = CharSet.Auto, ExactSpelling = true)] public static extern IntPtr GetForegroundWindow(); [DllImport("user32.dll")] public static extern bool SetForegroundWindow(IntPtr hWnd); //根据窗口来获取进程ID， public static int GetCurrentProcessID(IntPtr handle) { GetWindowThreadProcessId(handle, out int oo); return oo; } public struct WindowInfo { public IntPtr hWnd; public string szWindowName; public string szClassName; public int ProcessId { get; set; } public int Width { get; set; } public int Height { get; set; } public int X { get; set; } public int Y { get; set; } } [DllImport("user32.dll")] [return: MarshalAs(UnmanagedType.Bool)] static extern bool GetWindowRect(IntPtr hWnd, ref RECT lpRect); [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 } public static (int width, int height, int x, int y) GetWindowSize(IntPtr hwnd) { RECT rc = new RECT(); GetWindowRect(hwnd, ref rc); int width = rc.Right - rc.Left; //窗口的宽度 int height = rc.Bottom - rc.Top; //窗口的高度 int x = rc.Left; int y = rc.Top; return (width, height, x, y); } /* SetWindowLong(ChildWindowHandle, GWL_EXSTYLE, (GetWindowLong(ChildWindowHandle, GWL_EXSTYLE) | WS_EX_NOPARENTNOTIFY)); */ public enum GWL { GWL_WNDPROC = (-4), GWL_HINSTANCE = (-6), GWL_HWNDPARENT = (-8), GWL_STYLE = (-16), GWL_EXSTYLE = (-20), GWL_USERDATA = (-21), GWL_ID = (-12) } public static bool ReSetParent(IntPtr hWnd) { int row= SetParent(hWnd, GetDesktopWindow()); MoveWindow(hWnd, 0, 0, 0, 0, true); return row > 0; } public static WindowInfo GetWindowInfo(IntPtr hWnd) { WindowInfo wnd = new WindowInfo(); StringBuilder sb = new StringBuilder(256); //get hwnd wnd.hWnd = hWnd; //get window name GetWindowTextW(hWnd, sb, sb.Capacity); wnd.szWindowName = sb.ToString(); //get window class GetClassNameW(hWnd, sb, sb.Capacity); wnd.szClassName = sb.ToString(); wnd.ProcessId = GetCurrentProcessID(hWnd); var size= GetWindowSize(hWnd); wnd.Width = size.width; wnd.Height = size.height; wnd.X = size.x; wnd.Y = size.y; return wnd; } public List GetAllDesktopWindows() { List wndList = new List(); //enum all desktop windows EnumWindows(delegate (IntPtr hWnd, int lParam) { WindowInfo wnd = new WindowInfo(); StringBuilder sb = new StringBuilder(256); //get hwnd wnd.hWnd = hWnd; //get window name GetWindowTextW(hWnd, sb, sb.Capacity); wnd.szWindowName = sb.ToString(); //get window class GetClassNameW(hWnd, sb, sb.Capacity); wnd.szClassName = sb.ToString(); wnd.ProcessId = GetCurrentProcessID(hWnd); var (width, height, x, y) = GetWindowSize(hWnd); wnd.Width = width; wnd.Height = height; wnd.X = x; wnd.Y = y; //add it into list wndList.Add(wnd); return true; }, 0); return wndList; } //获取窗体位置 最小化 最大化 隐藏 api [DllImport("user32.dll")] [return: MarshalAs(UnmanagedType.Bool)] public static extern bool GetWindowPlacement(IntPtr hWnd, ref WINDOWPLACEMENT lpwndpl); } } public struct WINDOWPLACEMENT { public int length; public int flags; public int showCmd; public System.Drawing.Point ptMinPosition; public System.Drawing.Point ptMaxPosition; public System.Drawing.Rectangle rcNormalPosition; }