form1.cs

wince 开发的一个键盘控件

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

namespace 最后软键盘
{
    public partial class log : Form

    {
            int i = 0;
            int j = 0;
            int x = 36;
            int y = 167;

            char[,] keyboard ={    
                                {'1','2','3','4','5','6','7','8','9'},
                                {'0','a','b','c','d','e','f','g','h'},
                                {'i','j','k','l','m','n','o','p','q'},
                                {'r','s','t','u','v','w','x','y','z'}
                              };

           
        public log()
        {
            InitializeComponent();
            
        }

        private void log_Load(object sender, EventArgs e)
        {
            textBox1.Focus();  
             NewDrawing(i ,j);
               
        }          

  

        private void log_KeyDown(object sender, KeyEventArgs e)
        {
            int oi = i;
            int oj = j;

            switch (e.KeyCode)
            {

                case Keys.Up:

                    i = i - 1;
                    if (i < 0)
                        i = 3;

                    break;
                case Keys.Down:

                    i = i + 1;
                    if (i == 4)
                        i = 0;

                    break;
                case Keys.Left:

                    j = j - 1;
                    if (j < 0)
                        j = 8;

                    break;
                case Keys.Right:

                    j = j + 1;
                    if (j == 9)
                        j = 0;

                    break;
                case Keys.Enter:
                    EchoEnter();
                    break;
            }
            OldDrawing(oi,oj);
            NewDrawing(i, j);

        }
         //画新框函数
        private void NewDrawing(int i ,int j)
        {
            x = 36 * j+36;
            y = 36 * i+167;

            Pen mypen = new Pen(Color.Gold  ,3);
            Graphics grapic = this.CreateGraphics () ;
            //grapic.Clear(Color.White);
            grapic.DrawRectangle (mypen ,new Rectangle (x,y,30,30));
            grapic.Dispose();
            mypen.Dispose();
        } 
        
        
        //改旧框函数
     private void OldDrawing(int i, int j)
        {
            x = 36 * j + 36;
            y = 36 * i + 167;

            Pen mypen = new Pen(Color.Gray  , 3);
            Graphics grapic = this.CreateGraphics();
            grapic.DrawRectangle(mypen, new Rectangle(x, y, 30, 30));
            grapic.Dispose();
            mypen.Dispose();
            
        }

       //处理ｅｎｔｅｒ事件
        private int  EchoEnter()
        {
            if (textBox1.Focused == true)
            {
                string w = textBox1.Text;
               //textBox1.Clear();
                textBox1.Text =w+keyboard[i, j].ToString();
            }
            else if (textBox2.Focused == true)
            {
                string w = textBox2.Text;
                textBox2.Text = w+keyboard[i, j].ToString();
            }
            else if (button1.Focused == true)
                SendMessage();
            else if (button2.Focused == true)
                this.Close();

            return 0;
        }
        //发送student的用户名和密码给服务器
        private void SendMessage()
        {
        }

 

      
       
       
        
       
       
    }
}