winform模拟qq聊天界面的小功能textbox1输入自动跳到textbox2

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 WindowsFormsApplication28{    public partial class Form1 : Form    {        public Form1()        {            InitializeComponent();        }

        protected override void WndProc(ref Message m)        {            const int WM_CHAR = 0x0102;            const int WM_USER = 0x0400;            const int WM_USER1 = WM_USER + 1;            switch (m.Msg)            {                case WM_USER1:                    textBox1.Focus();                    IntPtr hwnd = textBox1.Handle;                    WinAPI.SendMessage(hwnd, WM_CHAR, (int)m.WParam, 0);                    break;            }            base.WndProc(ref m);        }    }

    class MyTextBox : TextBox    {        protected override void WndProc(ref Message m)        {            const int WM_CHAR = 0x0102;            const int WM_PAINT = 0x000F;            const int WM_USER = 0x0400;            const int WM_KEYDOWN= 0x0100;            const int WM_IME_CHAR = 0x0286;            const int WM_IME_COMPOSITION = 0x010F;            switch (m.Msg)            {                case WM_CHAR:                    {                        int key = (int)m.WParam;                        IntPtr hwnd = WinAPI.FindWindow("WindowsForms10.Window.8.app.0.2bf8098_r13_ad1", null);                        WinAPI.SendMessage(hwnd, WM_USER + 1, (int)m.WParam, 0);                    }                    return;                //case WM_IME_CHAR:                //    MessageBox.Show("a");                //    break;                //case WM_KEYDOWN:                //    {                //        IntPtr hwnd = WinAPI.FindWindow("WindowsForms10.Window.8.app.0.2bf8098_r13_ad1", null);                //        int code = (int)m.WParam;                //        WinAPI.SendMessage(hwnd, WM_USER + 1, code, 0);                //    }                //    return;                case WM_IME_COMPOSITION:                    {                        IntPtr hwnd = WinAPI.FindWindow("WindowsForms10.Window.8.app.0.2bf8098_r13_ad1", null);                        int code = (int)m.WParam;                        WinAPI.SendMessage(hwnd, WM_USER + 1, code, 0);                    }                    return;                //case WM_PAINT:                //    //MessageBox.Show("aa");                //    break;            }            base.WndProc(ref m);        }    }}

 

记录下，备忘~

就是要把上面那个textbox的WndProc重写下，然后消息拦截下就ok了。。