?using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using　System.Diagnostics;
using   System.Runtime.InteropServices;




    namespace DeviceApplication6
    {
        public partial class Form1 : Form
        {

            //對系統動態庫的引用
            //相關函數的聲明
            [DllImport("coredll.Dll")]
            public static extern IntPtr FindWindow(string strclassName, string strWindowName);
            [DllImport("coredll.Dll")]
            public static extern int SetWindowPos(IntPtr hwnd, int hWndInsertAfter, int x, int y, int cx, int cy, int wFlags);

            [DllImport("coredll.Dll")]
            public static extern bool ShowWindow(IntPtr hWnd, Int32 nCmdShow);
            public const int WM_CLOSE = 0x10;

            [DllImport("coredll.Dll")]
            public static extern int SendMessage(IntPtr hwnd, int wMsg, int wParam, int lParam);

            [DllImport("coredll.Dll", EntryPoint = "CreateProcess", SetLastError = true)]
            extern static int CreateProcess(string strImageName, string strCmdLine, IntPtr pProcessAttributes, IntPtr pThreadAttributes, int bInheritsHandle, int dwCreationFlags, IntPtr pEnvironment, IntPtr pCurrentDir, IntPtr bArray, ProcessInfo oProc);

            public class ProcessInfo
            {
                public Int32 hProcess;
                public Int32 hThread;
                public Int32 ProcessID;
                public Int32 ThreadID;
            }
            [DllImport("coredll.Dll")]

            public static extern bool MoveWindow(IntPtr hWnd, int x, int y, int nWidth, int nHeight, bool bRePaint);

    public Form1()
            {


                InitializeComponent();


            }

            private void Form1_Load(object sender, EventArgs e)
            {

            }

            private void listView1_SelectedIndexChanged(object sender, EventArgs e)
            {

            }

            private void button1_Click(object sender, EventArgs e)
            {     
             
                switch (listBox1.SelectedItem.ToString())
                {
                    //判斷選擇的節目,初始化播放器
                    case "JAY": 
                        ProcessInfo pi = new ProcessInfo();
                        CreateProcess("ceplayer.exe", @"\Window\List.mp3", IntPtr.Zero, IntPtr.Zero, 0, 0, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, pi);
                    break;
                 }
                

                     
             }

            private void button2_Click(object sender, EventArgs e)
            {

               //窗體的關閉
                
                IntPtr hwndce;
                hwndce = FindWindow(null, "Media player");
                SendMessage(hwndce, WM_CLOSE, 0, 0);

                
                
                
                
            }

            private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
            {

            }

            private void button3_Click(object sender, EventArgs e)
            {
                //對播放器窗體的顯示控制

                IntPtr hwndce;
                hwndce = FindWindow(null, "Media player");

                SetWindowPos(hwndce, -1, 400, 0, 1024, 768, 0x1);
            }
            
        }
   
    }