Similar to the following questions, was it a matter of mscomm didn't register online, but I have registered several times

https://bbs.csdn.net/topics/392205617? Page=1 # post - 403403833
Have the whole day, close to collapse,,,
Great god!!!!!! Turn to for help

CodePudding user response:

This control is completely does not support the 64 program, to write your own a 64 - bit serial communication controls

CodePudding user response:

The control of dynamic link library 32-bit control

CodePudding user response:

Compatibility with API, best Serial Communications in Win32

CodePudding user response:

In a 64 - bit Windows:
64 exe and DLL in the directory c: \ Windows \ sys tem32 directory.
32 bit exe and DLL in the directory c: \ Windows \ sys wow64 directory.
So pay attention to:
In win64 system registered under 32-bit ocx DLL to 32 ocx or copy the DLL to the c: \ Windows \ syswow64 \ directory,
And registered to c: \ Windows \ syswow64 \ regsvr32 XXXXXXX ocx or DLL