To open a COM port greater than or equal to COM10, you have to prefix the string "\\.\" to the COM port name.
In C it would look like this:
CreateFile( "\\\\.\\COM10",...)
because you have to escape the "\" character.
To open a COM port greater than or equal to COM10, you have to prefix the string "\\.\" to the COM port name.
In C it would look like this:
CreateFile( "\\\\.\\COM10",...)
because you have to escape the "\" character.