File list:
Chap4
....\BarMeter
....\........\BarMeter.ctl
....\........\BarMeter.ctx
....\........\dlgAbout.frm
....\........\dlgAbout.frx
....\........\MSSCCPRJ.SCC
....\........\OPCBar.vbg
....\........\OPCBar.vbp
....\........\OPCBar.vbw
....\........\OPCBar_BMGeneral.pag
....\........\OPCBar_BMGeneral.pgx
....\........\OPCGeneral.pag
....\........\TestBarMeter.vbp
....\........\TestBarMeter.vbw
....\........\TestBarMeter_Form1.frm
....\........\TestBarMeter_Form1.log
....\........\toolbox.bmp
....\ActiveX.xls
....\Demo.xls
....\VBA.xls
