API is a simple small program, the results are generated with a button to get the current window ID of the window.

Windows API程序设计--窗口类操作
...............................\2.3.1RegisterClass
...............................\..................\Demo.cpp
...............................\..................\RegisterClass.dsp
...............................\..................\RegisterClass.dsw
...............................\..................\RegisterClass.ncb
...............................\..................\RegisterClass.opt
...............................\..................\RegisterClass.plg
...............................\2.3.4GetClassName
...............................\.................\GetClassName.aps
...............................\.................\GetClassName.clw
...............................\.................\GetClassName.cpp
...............................\.................\GetClassName.dsp
...............................\.................\GetClassName.dsw
...............................\.................\GetClassName.h
...............................\.................\GetClassName.ncb
...............................\.................\GetClassName.opt
...............................\.................\GetClassName.plg
...............................\.................\GetClassName.rc
...............................\.................\GetClassNameDlg.cpp
...............................\.................\GetClassNameDlg.h
...............................\.................\ReadMe.txt
...............................\.................\res

...............................\.................\...\GetClassName.rc2
...............................\.................\resource.h
...............................\.................\StdAfx.cpp
...............................\.................\StdAfx.h

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