C# EnumWindows示例代码

usingSystem;
usingSystem.Collections.Generic;
usingSystem.Linq;
usingSystem.Text;
usingSystem.Runtime;
usingSystem.Runtime.InteropServices;
usingSystem.Diagnostics;

namespaceEnumPTW
{
    classProgram
    {
        [DllImport("user32.dll", SetLastError = true)]
        static extern uint GetWindowThreadProcessId(IntPtr hWnd, out uintlpdwProcessId);

        //Callback Declaration
        public delegate bool EnumWindowsCallback(IntPtr hwnd, intlParam);
        [DllImport("user32.dll")]
        private static extern int EnumWindows(EnumWindowsCallback callPtr, intlParam);
        [DllImport("user32.dll", SetLastError = true)]
        internal static extern bool MoveWindow(IntPtr hWnd, int X, int Y, int nWidth, int nHeight, boolbRepaint);

        public static bool ReportWindow(IntPtr hwnd, intlParam)
        {
            uint processId = 0;
            uint threadId = GetWindowThreadProcessId(hwnd, outprocessId);
           
            if(processId == 23272)  //23272: another program pid
{
                Console.WriteLine(string.Format("Enumerated Window Handle 0x{0:X8}, Process {1}, Thread {2}", hwnd.ToInt32(), processId, threadId));
                
                MoveWindow(hwnd, 100, 100, 800, 600, true);
            }
            
            return true;
        }

        static void Main(string[] args)
        {
            //Have to declare a delegate so that a thunk is created, so that win32 may call us back.
            EnumWindowsCallback callBackFn = newEnumWindowsCallback(ReportWindow);

            EnumWindows(callBackFn, 0);

            Console.WriteLine("Finished. Press any key to continue.");
            Console.ReadKey();
        }
    }
}