1. Brief IntroductionThe basic principles and usage of RS485 communication are the same as RS232, with the following differences.
RS232 interface can only realize point-to-point communication, but thi
I'm just getting started and have three questions. I'd like to ask you to answer them. Thank you . 1. After the network is established and initialized, if the coordinator node is turned off, can other
I defined a dialog box in a button processing function of a dialog box, created it, and destroyed it in the middle of the function. As a result, the dialog box of this button disappeared before exitin
I am using adoce3.1 to develop a database program for wince4.2. Where should I put the adoce-related dll? If I put the dll in the windows directory, it will disappear after I turn off the power. How d