Get window information - CSharp Operating System

CSharp examples for Operating System:Windows

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Description

Get window information

Demo Code


using System;// w ww.jav a  2 s .  co  m
using System.Text;
using System.Runtime.InteropServices;

class MainClass
    {
        public delegate bool CallBack(IntPtr hwnd, int lParam);

        [DllImport("user32.dll")]
        public static extern int EnumWindows(CallBack callback, int param);

        [DllImport("user32.dll")]
        public static extern int GetWindowText(IntPtr hWnd, StringBuilder lpString, int nMaxCount);

        static void Main(string[] args)
        {
            EnumWindows(new CallBack(DisplayWindowInfo), 0);

        }

        public static bool DisplayWindowInfo(IntPtr hWnd, int lParam)
        {
            int chars = 100;
            StringBuilder buf = new StringBuilder(chars);
            if (GetWindowText(hWnd, buf, chars) != 0)
            {
                Console.WriteLine(buf);
            }
            return true;
        }
    }

Result


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