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   源码介绍

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

namespace 设置快捷键
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void keyDown(object sender, KeyEventArgs e)
        {
            StringBuilder keyValue = new StringBuilder();
            keyValue.Length = 0;
            keyValue.Append("");
            if (e.Modifiers != 0)
            {
                if (e.Control)
                    keyValue.Append("Ctrl   ");
                if (e.Alt)
                    keyValue.Append("Alt   ");
                if (e.Shift)
                    keyValue.Append("Shift   ");
            }
            if ((e.KeyValue >= 33 && e.KeyValue <= 40) ||
                (e.KeyValue >= 65 && e.KeyValue <= 90) ||   //a-z/A-Z
                (e.KeyValue >= 112 && e.KeyValue <= 123))   //F1-F12
            {
                keyValue.Append(e.KeyCode);
            }
            else if ((e.KeyValue >= 48 && e.KeyValue <= 57))    //0-9
            {
                keyValue.Append(e.KeyCode.ToString().Substring(1));
            }
            this.ActiveControl.Text = "";
            //设置当前活动控件的文本内容
            this.ActiveControl.Text = keyValue.ToString();
        }

        private void keyUp(object sender, KeyEventArgs e)
        {
            string str = this.ActiveControl.Text.TrimEnd();
            int len = str.Length;
            if (len >= 1 && str.Substring(str.Length - 1) == " ")
            {
                this.ActiveControl.Text = "";
            }
        }

        private void tbK1_KeyDown(object sender, KeyEventArgs e)
        {
            keyDown(sender,e);
        }

        private void tbK1_KeyUp(object sender, KeyEventArgs e)
        {
            keyUp(sender, e);
        }

        private void textBox1_KeyDown(object sender, KeyEventArgs e)
        {
            keyDown(sender, e);
        }

        private void textBox1_KeyUp(object sender, KeyEventArgs e)
        {
            keyUp(sender, e);
        }
    }
}