WifiQRCode/CPP/ShareWifi/MainForm.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.Threading.Tasks;
using System.Windows.Forms;
using ShareWifi.Views;

namespace ShareWifi
{
    public partial class MainForm : Form
    {
        HomeControl home;
        AboutMe aboutMe;
        Button activeMenu;

        public MainForm()
        {
            InitializeComponent();
        }

        private void label3_Click(object sender, EventArgs e)
        {

        }

        private void btnGenerate_Click(object sender, EventArgs e)
        {

        }

        private void btnHome_Click(object sender, EventArgs e)
        {
            interHome();
            activeMenu = btnHome;
            changeMenuTab();
        }
        
        public void changeMenuTab()
        {
            if (activeMenu == btnHome) {


            }else if (activeMenu == btnAboutMe) {
                btnHome.BackColor = Color.Aquamarine;
            }
            else
            {
                activeMenu.BackColor = Color.AliceBlue;
            }
        }

        public void interHome()
        {
            if (home == null)
            {
                home = HomeControl.getInstance();
            }
            plContent.Controls.Clear();
            plContent.Controls.Add(home);
        }

        private void btnAboutMe_Click(object sender, EventArgs e)
        {
            if (aboutMe == null)
            {
                aboutMe = AboutMe.getInstance();
            }
            plContent.Controls.Clear();
            plContent.Controls.Add(aboutMe);
            activeMenu = btnAboutMe;
        }

        private void btnMini_Click(object sender, EventArgs e)
        {
            Hide();
        }

        private void btnClose_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

        private void MainForm_Load(object sender, EventArgs e)
        {
            interHome();
        }
        private static bool IsDrag = false;
        private int enterX;
        private int enterY;

        private void plTitle_MouseDown(object sender, MouseEventArgs e)
        {
            IsDrag = true;
            enterX = e.Location.X;
            enterY = e.Location.Y;
        }

        private void plTitle_MouseUp(object sender, MouseEventArgs e)
        {
            IsDrag = false;
            enterX = 0;
            enterY = 0;
        }

        private void plTitle_MouseMove(object sender, MouseEventArgs e)
        {
            if (IsDrag)
            {
                this.Left += e.Location.X - enterX;
                this.Top += e.Location.Y - enterY;
            }
        }
    }
}