lyfz_repos/铂金版源码/WFtpClient/SendUpFileDataToFTP/ExeSendMessage.cs

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

namespace SendUpFileDataToFTP
{
    public partial class ExeSendMessage : Form
    {
        [DllImport("user32.dll")]
        public static extern IntPtr FindWindow(string lpClassName, string lpWindowName);

        [DllImport("user32.dll")]
        public static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string lpszClass, string lpszWindow);

        [DllImport("user32.dll", CharSet = CharSet.Unicode)]
        public static extern IntPtr PostMessage(IntPtr hwnd, int wMsg, IntPtr wParam, IntPtr lParam);

        public ExeSendMessage()
        {
            InitializeComponent();
        }

        private void ExeSendMessage_Load(object sender, EventArgs e)
        {
            IntPtr fWnd = FindWindow(null, "远程相片上传工具");
            IntPtr childHwnd = FindWindowEx(fWnd, new IntPtr(0), null, "添加");
            IntPtr txtbox = FindWindowEx(fWnd, new IntPtr(0), null, "");
            const int WM_CHAR = 0x0102;

            string strtext = "A";
            UnicodeEncoding encode = new UnicodeEncoding();
            char[] chars = encode.GetChars(encode.GetBytes(strtext));
            Message msg;
            foreach (char c in chars)
            {
                msg = Message.Create(txtbox, WM_CHAR, new IntPtr(c), new IntPtr(0));
                PostMessage(msg.HWnd, msg.Msg, msg.WParam, msg.LParam);
            }

        }
    }
}