C# 遍历桌面窗口（windows API）

C# 遍历桌面窗口实例源码(windows API)

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace FindWindow
{
    public partial class Form1 : Form
    {
        IntPtr hwnd = new IntPtr（0）;
        public string czct = “开具增值税专用发票“;
        public string fpkjpp = “开具增值税普通发票“;
        // const int WM_COPYDATA = 0x004A;//必须是这个数值，不能更改
        const int WM_COPYDATA = 0x13;
        const int WM_SETTEXT = 0x000C;
        List list = new List（）;

        [DllImport（“user32.dll“ EntryPoint = “FindWindow“ SetLastError = true）]
        public static extern IntPtr FindWindow（string lpClassName string lpWindowName）;

      

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2016-10-28 00:07  查找主窗体及遍历子窗体demo\
     目录           0  2016-10-28 00:07  查找主窗体及遍历子窗体demo\.vs\
     目录           0  2016-10-28 00:07  查找主窗体及遍历子窗体demo\.vs\FindWindow\
     目录           0  2016-10-28 00:07  查找主窗体及遍历子窗体demo\.vs\FindWindow\v14\
     文件       49152  2017-02-04 11:53  查找主窗体及遍历子窗体demo\.vs\FindWindow\v14\.suo
     目录           0  2016-10-30 21:01  查找主窗体及遍历子窗体demo\FindWindow\
     文件         872  2015-05-04 14:05  查找主窗体及遍历子窗体demo\FindWindow.sln
     文件       20480  2016-10-20 13:12  查找主窗体及遍历子窗体demo\FindWindow.suo
     目录           0  2016-10-28 00:07  查找主窗体及遍历子窗体demo\FindWindow\bin\
     目录           0  2016-10-28 00:07  查找主窗体及遍历子窗体demo\FindWindow\bin\Debug\
     文件       12288  2016-10-30 21:01  查找主窗体及遍历子窗体demo\FindWindow\bin\Debug\FindWindow.exe
     文件       24064  2016-10-30 21:01  查找主窗体及遍历子窗体demo\FindWindow\bin\Debug\FindWindow.pdb
     文件       22696  2017-02-04 11:53  查找主窗体及遍历子窗体demo\FindWindow\bin\Debug\FindWindow.vshost.exe
     文件         490  2013-06-18 20:28  查找主窗体及遍历子窗体demo\FindWindow\bin\Debug\FindWindow.vshost.exe.manifest
     目录           0  2016-10-21 12:54  查找主窗体及遍历子窗体demo\FindWindow\bin\Release\
     文件        3679  2016-10-21 13:22  查找主窗体及遍历子窗体demo\FindWindow\FindWindow.csproj
     文件        5733  2016-10-30 21:01  查找主窗体及遍历子窗体demo\FindWindow\Form1.cs
     文件        5932  2016-10-30 21:01  查找主窗体及遍历子窗体demo\FindWindow\Form1.Designer.cs
     文件        6017  2016-10-30 21:01  查找主窗体及遍历子窗体demo\FindWindow\Form1.resx
     目录           0  2016-10-28 00:07  查找主窗体及遍历子窗体demo\FindWindow\obj\
     目录           0  2016-10-28 00:07  查找主窗体及遍历子窗体demo\FindWindow\obj\x86\
     目录           0  2016-10-30 21:01  查找主窗体及遍历子窗体demo\FindWindow\obj\x86\Debug\
     文件        5423  2016-10-21 12:13  查找主窗体及遍历子窗体demo\FindWindow\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache
     文件        7149  2017-02-04 11:53  查找主窗体及遍历子窗体demo\FindWindow\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache
     文件        6362  2017-02-04 11:53  查找主窗体及遍历子窗体demo\FindWindow\obj\x86\Debug\FindWindow.csproj.FileListAbsolute.txt
     文件        1070  2016-10-30 21:01  查找主窗体及遍历子窗体demo\FindWindow\obj\x86\Debug\FindWindow.csproj.GenerateResource.Cache
     文件        9177  2016-10-20 13:35  查找主窗体及遍历子窗体demo\FindWindow\obj\x86\Debug\FindWindow.csprojResolveAssemblyReference.cache
     文件       12288  2016-10-30 21:01  查找主窗体及遍历子窗体demo\FindWindow\obj\x86\Debug\FindWindow.exe
     文件         180  2016-10-30 21:01  查找主窗体及遍历子窗体demo\FindWindow\obj\x86\Debug\FindWindow.Form1.resources
     文件       24064  2016-10-30 21:01  查找主窗体及遍历子窗体demo\FindWindow\obj\x86\Debug\FindWindow.pdb
     文件         180  2016-10-21 13:22  查找主窗体及遍历子窗体demo\FindWindow\obj\x86\Debug\FindWindow.Properties.Resources.resources
............此处省略11个文件信息