how  to use signal\DEMO.CPP
..................\DEMO.DSP
..................\DEMO.DSW
..................\DEMO.H
..................\DEMO.PLG
..................\DEMO.RC
..................\DEMODLG.CPP
..................\DEMODLG.H
..................\README.TXT
..................\..S\DEMO.ICO
..................\...\DEMO.RC2
..................\RESOURCE.H
..................\STDAFX.CPP
..................\STDAFX.H
..................\RES
how  to use signal