SourceCodeSky

using System;
using System.Runtime.InteropServices;
using System.Text;

namespace wfspy
{
    public delegate int WindowEnumProc(IntPtr hwnd, IntPtr lparam);
    
    public enum GetWindowCmd : int
    {
        GW_HWNDFIRST = 0,
        GW_HWNDLAST,
        GW_HWNDNEXT,
        GW_HWNDPREV,
        GW_OWNER,
        GW_CHILD    
    };
    
    public struct RECT
    {
        public int left;
        public int top;
        public int right;
        public int bottom;
    };

    public class UnmanagedMethods
    {
        [DllImport("user32.dll")]
        public static extern bool EnumChildWindows(IntPtr hwnd, WindowEnumProc func, IntPtr lParam);

        [DllImport("user32.dll")]
        public static extern IntPtr GetDesktopWindow();
    
        [DllImport("user32.dll")]
        public static extern bool EnumThreadWindows(int threadId, WindowEnumProc func, IntPtr lParam);
        
        [DllImport("user32.dll")]
        public static extern int GetWindowTextLength(IntPtr hwnd);
    
        [DllImport("user32.dll")]
        public static extern int GetWindowText(IntPtr hwnd, StringBuilder buffer, int bufferLen);
    
        [DllImport("user32.dll")]
        public static extern int GetClassName(IntPtr hwnd, StringBuilder buffer, int bufferLen);

        [DllImport("user32.dll")]
        public static extern bool IsWindowVisible(IntPtr hwnd);
        
        [DllImport("user32.dll")]
        public static extern bool SetForegroundWindow(IntPtr hwnd);

        [DllImport("user32.dll")]
        public static extern IntPtr GetParent(IntPtr hwnd);
        
        [DllImport("user32.dll")]
        public static extern int GetWindowThreadProcessId(IntPtr hwnd, out int processID);

        [DllImport("user32.dll")]
        public static extern IntPtr SendMessage(IntPtr hwnd, int msg, IntPtr wparam, IntPtr lparam);

        [DllImport("user32.dll")]
        public static extern bool MoveWindow(IntPtr hwnd, int x, int y, int width, int height, bool repaint);

        [DllImport("user32.dll")]
        public static extern IntPtr GetWindow(IntPtr hwnd, int cmd);

        [DllImport("user32.dll")]
        public static extern IntPtr GetWindowRect(IntPtr hwnd, ref RECT rc);

        [DllImport("user32.dll")]
        public static extern IntPtr GetClientRect(IntPtr hwnd, ref RECT rc);

        public static string GetWindowText(IntPtr hwnd)
        {
            int bufLen = GetWindowTextLength(hwnd) + 1;

            StringBuilder buffer = new StringBuilder(bufLen);
            GetWindowText(hwnd, buffer, bufLen);
            
            return buffer.ToString();
        }
    
        public static string GetClassName(IntPtr hwnd)
        {
            StringBuilder buffer = new StringBuilder(256);
            GetClassName(hwnd, buffer, 256);
            
            return buffer.ToString();
        }
    }
}