【h5游戏开发】窗体中拖放一个标签

form1.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
 
namespace XNAGame_004
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
 
        private void Form1_KeyDown(object sender, KeyEventArgs e)
        {
            //按键改变标签颜色
            switch (e.KeyCode)
            { 
                case Keys.R:
                    label1.ForeColor = Color.Blue;
                    break;
                case Keys.B:
                    label1.ForeColor = Color.Black;
                    break;
                default:
                    label1.Text = "按键无效";
                    break;
            }
        }
    }
}