this.LptStr = @"\?\USB#Vid_6868&Pid_0200#6B6992F23630#{a5dcbf10-6530-11d2-901f-00c04fb951ed}";
this.LptStr = @"\?\USB#VID_6868&PID_0500&MI_00#6&1ECA89BF&0&0000#{a5dcbf10-6530-11d2-901f-00c04fb951ed}";
这两个都是小票打印机,但上面个可以连接下面个就不可以连接了,求解。
36fc9e60-c465-11cf-8056-444553540000:USB Printing Support:USB\VID_6868&PID_0500&MI_00\6&1ECA89BF&0&0000:USB Printing Support:USB\VID_6868&PID_0500&MI_00\6&1ECA89BF&0&0000:1280:usbprint:OK:26728
36fc9e60-c465-11cf-8056-444553540000:USB Printing Support:USB\VID_6868&PID_0200\6B6992F23630:USB Printing Support:USB\VID_6868&PID_0200\6B6992F23630:512:usbprint:OK:26728