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  • U盘监测


    #region U盘监测 public const int WM_DEVICECHANGE = 0x219; public const int DBT_DEVICEARRIVAL = 0x8000; public const int DBT_DEVICEREMOVECOMPLETE = 0x8004; string drivestr; //驱动器名称 protected override void WndProc(ref Message m) { if (m.Msg == WM_DEVICECHANGE) { switch (m.WParam.ToInt32()) { case WM_DEVICECHANGE: break; case DBT_DEVICEARRIVAL: //U盘插入 { DriveInfo[] s = DriveInfo.GetDrives(); foreach (DriveInfo drive in s) { if (drive.DriveType == DriveType.Removable) { drivestr = drive.Name; NetConnect(); } } break; } case DBT_DEVICEREMOVECOMPLETE: //U盘拔出 { NetConnect(); break; } } } base.WndProc(ref m); } #endregion
      #region 获取图片或者视频列表
            public string getVideoFileList()
            {
                string fileList = "";
                DriveInfo[] drives = DriveInfo.GetDrives();
                foreach (DriveInfo drive in drives)
                {
                    //if (drive.DriveType == DriveType.Removable)
                    //{
                    string drivestr = drive.Name;
                    if (Directory.Exists(drivestr))
                    {
                        foreach (string d in Directory.GetFileSystemEntries(drivestr))
                        {
                            if (d.Equals(drivestr + "weixinmp4"))
                            {
                                foreach (string m_file in Directory.GetFileSystemEntries(d))
                                {
                                    if (m_file.EndsWith(".mp4") || m_file.EndsWith(".flv"))
                                    {
                                        fileList += "file:///" + m_file + "|";
                                    }
                                }
    
                            }
                            else
                            {
    
                            }
                        }
                        if (fileList.Length > 0)
                        {
                            fileList = fileList.Substring(0, fileList.Length - 1);
                        }
                    }
                    //}
                }
                return fileList;
            } 
            #endregion
    
    
    
     
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  • 原文地址:https://www.cnblogs.com/Iyce/p/4192858.html
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