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;
using?System.Net;

namespace?QQ音樂播放器
{

????public?partial?class?Form1?:?Form
????{
????????#region?變量定義
????????bool?dragging?=?false;
????????bool?enterprobar?=?false;//判斷鼠標是否在進度條中
????????Point?pointClicked;//拖動相關變量
????????public?windows1?w1?=?new?windows1（）;
????????public?音樂館?w2?=?new?音樂館（）;
????????public?網絡歌曲?w3?=?new?網絡歌曲（）;
????????public?網絡歌曲列表?w4?=?new?網絡歌曲列表（）;
????????public?說明?w5?=?new?說明（）;
????????public?本地歌曲?w6?=?new?本地歌曲（）;
????????public?本地歌曲2?w6_2?=?new?本地歌曲2（）;//各個界面
????????public?精簡模式?modern2;
????????public?bool?playorpause?=?t