public const int WM_DEVICECHANGE = 0x219;//U盘插入后，OS的底层会自动检测到，然后向应用程序发送“硬件设备状态改变“的消息  
 public const int DBT_DEVICEARRIVAL = 0x8000;  //就是用来表示U盘可用的。一个设备或媒体已被插入一块，现在可用。  
 public const int DBT_DEVICEREMOVECOMPLETE = 0x8004;  //一个设备或媒体片已被删除。  
 protected override void WndProc(ref Message m)
 {
     if (collForm != null && collectForm.Workstation != null)
     {
         if (m.Msg == WM_DEVICECHANGE)//WM_DEVICECHANGE
         {
             switch (m.WParam.ToInt32())
             {
                 case DBT_DEVICEARRIVAL://DBT_DEVICEARRIVAL
                     {
                         if (Form1.IsAutoDisk)
                         {
                             string panfu = "";
                             int devType1 = Marshal.ReadInt32(m.LParam, 4);
                             if (devType1 == DBT_DEVTYP_VOLUME)
                             {
                                 DEV_BROADCAST_VOLUME vol;
                                 vol = (DEV_BROADCAST_VOLUME)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_VOLUME));
                                 ID = vol.dbcv_unitmask.ToString("x");
                                 //Sunny.UI.UIMessageBox.ShowInfo(IO(ID) + "盘插入！", false, true);
                                 panfu = IO(ID);
                                 //collForm.flowLayoutPanel1.Controls.Add(new UserControl1());
                                 collForm.flowLayoutPanel1.Controls.Add(new FormControl.CardControl(panfu) { Name = ID, IsCheckAnJian = collForm.cbAnJian.Checked });
                                 collForm.cbAnJian.Enabled = false;

                             }
                             


                         }
                     }
                     break;

                 case DBT_DEVICEREMOVECOMPLETE://DBT_DEVICEREMOVECOMPLETE


                     int devType = Marshal.ReadInt32(m.LParam, 4);
                     if (devType == DBT_DEVTYP_VOLUME)
                     {
                         DEV_BROADCAST_VOLUME vol;
                         vol = (DEV_BROADCAST_VOLUME)Marshal.PtrToStructure(m.LParam, typeof(DEV_BROADCAST_VOLUME));
                         ID = vol.dbcv_unitmask.ToString("x");

                         collForm.flowLayoutPanel1.Controls.RemoveByKey(ID);
                         if (collForm.flowLayoutPanel1.Controls.Count == 0)
                         {
                             collForm.cbAnJian.Enabled = true;
                         }
                     }

                     //MessageBox.Show("设备拔出");
                     break;
                 case 0x7:
                     System.Diagnostics.Process p = new System.Diagnostics.Process();
                     p.StartInfo.FileName = "GetDevicInfo.exe";//需要启动的程序名 
                     p.StartInfo.CreateNoWindow = true;
                     p.Start();//启动 
                     Thread.Sleep(1000);
                     if (!p.HasExited)//判断是否运行结束 
                     {
                         p.Kill();
                     }
                     break;
                 default:
                     Console.WriteLine(m.WParam.ToInt32());
                     break;
             }

         }
     }
     base.WndProc(ref m);
 }