File list (Check if you may need any files):
Windows API Programming\Bouncing Balls with Timer\Bouncing Balls with Timer.dsw
.......................\.........................\Bouncing Balls with Timer.ncb
.......................\.........................\Bouncing Balls with Timer.opt
.......................\.........................\CTimer.cpp
.......................\.........................\CTimer.h
.......................\.........................\defines.h
.......................\.........................\main.cpp
.......................\.........................\utils.cpp
.......................\.........................\utils.h
.......................\GDI_BackBuffer\defines.h
.......................\..............\GDI_BackBuffer.dsp
.......................\..............\GDI_BackBuffer.dsw
.......................\..............\GDI_BackBuffer.ncb
.......................\..............\GDI_BackBuffer.opt
.......................\..............\GDI_BackBuffer.plg
.......................\..............\main.cpp
.......................\..............\utils.cpp
.......................\..............\utils.h
.......................\........buffer2\defines.h
.......................\...............\GDI_Backbuffer2.dsp
.......................\...............\GDI_Backbuffer2.dsw
.......................\...............\GDI_Backbuffer2.ncb
.......................\...............\GDI_Backbuffer2.opt
.......................\...............\GDI_Backbuffer2.plg
.......................\...............\main.cpp
.......................\...............\utils.cpp
.......................\...............\utils.h
.......................\....LINES\defines.h
.......................\.........\GDI_LINES.dsp
.......................\.........\GDI_LINES.dsw
.......................\.........\GDI_LINES.ncb
.......................\.........\GDI_LINES.opt
.......................\.........\GDI_LINES.plg
.......................\.........\main.cpp
.......................\.........2\defines.h
.......................\..........\GDI_LINES.dsp
.......................\..........\GDI_LINES.dsw
.......................\..........\GDI_LINES.ncb
.......................\..........\GDI_LINES.opt
.......................\..........\GDI_LINES.plg
.......................\..........\main.cpp
.......................\....Polygon\defines.h
.......................\...........\GDI_Polygon.dsp
.......................\...........\GDI_Polygon.dsw
.......................\...........\GDI_Polygon.ncb
.......................\...........\GDI_Polygon.opt
.......................\...........\GDI_Polygon.plg
.......................\...........\main.cpp
.......................\...........\utils.cpp
.......................\...........\utils.h
.......................\...........2\defines.h
.......................\............\GDI_Polygon2.dsp
.......................\............\GDI_Polygon2.dsw
.......................\............\GDI_Polygon2.ncb
.......................\............\GDI_Polygon2.opt
.......................\............\GDI_Polygon2.plg
.......................\............\main.cpp
.......................\............\utils.cpp
.......................\............\utils.h
.......................\....Text\defines.h
.......................\........\GDI_Text.dsp
.......................\........\GDI_Text.dsw
.......................\........\GDI_Text.ncb
.......................\........\GDI_Text.opt
.......................\........\GDI_Text.plg
.......................\........\main.cpp
.......................\Resources_Cursors\defines.h
.......................\.................\main.cpp
.......................\.................\resource.h
.......................\.................\Resources_Cursors.dsp
.......................\.................\Resources_Cursors.dsw
.......................\.................\Resources_Cursors.ncb
.......................\.................\Resources_Cursors.opt
.......................\.................\Resources_Cursors.plg
.......................\.................\Script1.aps
.......................\.................\Script1.rc
.......................\..........Dialog_Box\defines.h
.........