1.请对 thhotkey.dpr进行编译 thhotkey.exe 2.请对 testdll.dpr 进行编译 生成 testdll.dll 3.运行 thhotkey.exe即可-1. Thhotkey.dpr please compile thhotkey.exe2. Please testdll.dpr to compile generated testdll.dll3. Running thhotkey.exe can

dll动态链接的使用，该dll是串口通信的封装函数，使用该dll的一个实例。-dll dynamic link the use of the dll is a serial communication package function, using an instance of the dll.