tips61-2 ........\123.wav ........\TEST.wav ........\tips61-2.rar ........\Unit4.cpp ........\Unit4.ddp ........\Unit4.dfm ........\Unit4.h ........\Unit4.obj ........\Unit4.~cpp ........\Unit4.~ddp ........\Unit4.~dfm ........\Unit4.~h ........\WavePlay.bpr ........\WavePlay.cpp ........\WavePlay.exe ........\WavePlay.obj ........\WavePlay.res ........\WavePlay.tds ........\WavePlay.~bpr