Demo-C/Tech/View/Impl/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;

namespace Tech_Demo
{
    public partial class Form1 : Form
    {

        [DllImport("user32")]
        private static extern bool AnimateWindow(IntPtr hwnd, int dwTime, int dwFlags); 
        
        public const Int32 AW_HOR_POSITIVE = 0x00000001; // 从左到右打开窗口
        public const Int32 AW_HOR_NEGATIVE = 0x00000002; // 从右到左打开窗口
        public const Int32 AW_VER_POSITIVE = 0x00000004; // 从上到下打开窗口
        public const Int32 AW_VER_NEGATIVE = 0x00000008; // 从下到上打开窗口
        public const Int32 AW_CENTER = 0x00000010; //若使用了AW_HIDE标志，则使窗口向内重叠；若未使用AW_HIDE标志，则使窗口向外扩展。
        public const Int32 AW_HIDE = 0x00010000; //隐藏窗口，缺省则显示窗口。
        public const Int32 AW_ACTIVATE = 0x00020000; //激活窗口。在使用了AW_HIDE标志后不要使用这个标志。
        public const Int32 AW_SLIDE = 0x00040000; //使用滑动类型。缺省则为滚动动画类型。当使用AW_CENTER标志时，这个标志就被忽略。
        public const Int32 AW_BLEND = 0x00080000; //使用淡出效果。只有当hWnd为顶层窗口的时候才可以使用此标志。
        
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            var playerView = new PlayerView();
            playerView.Dock = DockStyle.Fill;
            panelContainer.Controls.Add(playerView);
            // AnimateWindow(playerView.Handle, 1000, AW_HOR_POSITIVE | AW_SLIDE);
            // UCOverview uo = new UCOverview();
            // uo.Dock = DockStyle.Fill;
            // panelContainer.Controls.Add(uo);
        }

        private void button3_Click(object sender, EventArgs e)
        {
            throw new System.NotImplementedException();
        }

        private void button4_Click(object sender, EventArgs e)
        {
            // DialogResult dialogResult =
            //     MessageBox.Show(@"确定要退出吗？", @"确定退出？", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
            // if (dialogResult.Equals(DialogResult.OK))
            // {
            //     System.Environment.Exit(0);
            //     // Application.Exit();
            // }
            Boolean exist = false;
            Panel settingView = null;
            foreach (Control panelContainerControl in panelContainer.Controls)
            {
                Console.WriteLine(panelContainerControl.Name);
                // 存在设置
                if(panelContainerControl.Name.Equals("settings"))
                {
                    exist = true;
                    settingView = (Panel) panelContainerControl;
                    break;
                }
            }

            if (exist == false)
            {
                var panel = new Panel();
                panel.Size = new System.Drawing.Size(300, 670);
                panel.BackColor = Color.White;
                panel.Dock = DockStyle.Left;
                panel.Name = "settings";
                AnimateWindow(panel.Handle, 1000, AW_BLEND);
                panelContainer.Controls.Add(panel);
            }
            else
            {
                // 销毁
                settingView.Dispose();
            }

        }

        private void button1_Click(object sender, EventArgs e)
        {
            var playerView = new PlayerView();
            playerView.Dock = DockStyle.Fill;
            foreach (Control container in this.panelContainer.Controls)
            {
                container.Dispose();
            }

            this.panelContainer.Controls.Clear();
            this.panelContainer.Controls.Add(playerView);
        }

        private void panel2_Paint(object sender, PaintEventArgs e)
        {
            // throw new System.NotImplementedException();
        }

        private void pictureBox2_Click(object sender, EventArgs e)
        {
            DialogResult dialogResult =
                MessageBox.Show(@"确定要退出吗？", @"确定退出？", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
            if (dialogResult.Equals(DialogResult.OK))
            {
                System.Environment.Exit(0);
                // Application.Exit();
            }
        }

        private void pictureBox2_MouseHover(object sender, EventArgs e)
        {
        }

        private void closeBtn_MouseHover(object sender, EventArgs e)
        {
            closeBtn.BackColor = Color.Crimson;
        }

        private void closeBtn_MouseLeave(object sender, EventArgs e)
        {
            closeBtn.BackColor = Color.FromArgb(0, 110, 255);
        }

        [DllImport("user32.dll")]
        public static extern bool ReleaseCapture();

        [DllImport("user32.dll")]
        private static extern bool SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);

        private const int WM_SYSCOMMAND = 0x0112;
        private const int SC_MOVE = 0xF010;
        private const int HTCAPTION = 0x0002;

        private void TopPanel_MouseDown(object sender, MouseEventArgs e)
        {
            ReleaseCapture();
            SendMessage(this.Handle, WM_SYSCOMMAND, SC_MOVE + HTCAPTION, 0);
        }

        private void pictureBox3_Click(object sender, EventArgs e)
        {
            this.WindowState = this.WindowState == FormWindowState.Maximized
                ? FormWindowState.Normal
                : FormWindowState.Maximized;
            this.panelContainer.Refresh();
        }

        private void pictureBox4_Click(object sender, EventArgs e)
        {
            this.WindowState = System.Windows.Forms.FormWindowState.Minimized;
        }

        private void closeBtn_MouseMove(object sender, MouseEventArgs e)
        {
            closeBtn.BackColor = Color.Crimson;
        }

        private void pictureBox3_MouseMove(object sender, MouseEventArgs e)
        {
            pictureBox3.BackColor = Color.FromArgb(0, 98, 229);
        }


        private void pictureBox4_MouseMove(object sender, MouseEventArgs e)
        {
            pictureBox4.BackColor = Color.FromArgb(0, 98, 229);
        }

        private void pictureBox3_MouseLeave(object sender, EventArgs e)
        {
            pictureBox3.BackColor = Color.FromArgb(0, 110, 255);
        }


        private void pictureBox4_MouseLeave(object sender, EventArgs e)
        {
            pictureBox4.BackColor = Color.FromArgb(0, 110, 255);;
        }

        private void panelContainer_Paint(object sender, PaintEventArgs e)
        {
            // throw new System.NotImplementedException();
        }
    }
}