File list (Check if you may need any files):
YFOPCSDK
........\frmAbout.frm
........\frmAbout.frx
........\frmGroupStatus.frm
........\frmItemBrowser.frm
........\frmItemBrowser.frx
........\frmItemStatus.frm
........\frmItemWrite.frm
........\frmItemWrite.frx
........\frmMain.frm
........\frmMain.frx
........\frmServerBrowser.frm
........\frmServerBrowser.frx
........\frmServerStatus.frm
........\jsb11-knight.opc
........\Module1.bas
........\MSSCCPRJ.SCC
........\OPC_VBClient.exe
........\OPC_VBCLIENT.VBP
........\OPC_VBCLIENT.vbw
........\YFOPCSDK.bas
........\YFOPCSDK.dll
........\YFOPCsvr.opc