With SetupDiEnumDeviceInterfaces function through the vid stylus printer, such as pid handle to find, and then use CreateFile, WriteFile function printers, can use the DLL to achieve set play, and other functions.

PrintDll\PrintDll.cpp
........\PrintDll.h
........\PrintDll.sln
........\PrintDll.suo
........\PrintDll.vcxproj
........\PrintDll.vcxproj.filters
........\PrintDll.vcxproj.user
TestDll\PrintDll.dll
.......\PrintDll.lib
.......\ReadMe.txt
.......\res\TestDll.ico
.......\...\TestDll.rc2
.......\resource.h
.......\stdafx.cpp
.......\stdafx.h
.......\targetver.h
.......\TestDll.aps
.......\TestDll.cpp
.......\TestDll.h
.......\TestDll.rc
.......\TestDll.vcxproj
.......\TestDll.vcxproj.filters
.......\TestDll.vcxproj.user
.......\TestDllDlg.cpp
.......\TestDllDlg.h
PrintDll\Debug
TestDll\Debug
.......\res
PrintDll
TestDll

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