vb-gsm测试软件代码

Line 21: Class MSWinsockLib.Winsock of control WinsockPc was not a loaded control class. Line 60: Class MSCommLib.MSComm of control MSComm1 was not a loaded control class. Line 70: Class TabDlg.SSTab of control SSTabMain was not a loaded control class. Line 1409: Class MSComctlLib.Slider of control Sli_Volume was not a loaded control class. Line 1422: Class MSComctlLib.Slider of control Sli_MIC was not a loaded control class.