You can use either of the two:
<font face=Tahoma><SPAN style="color:#00007F">Private</SPAN> <SPAN style="color:#00007F">Sub</SPAN> Workbook_SheetChange(<SPAN style="color:#00007F">ByVal</SPAN> Sh <SPAN style="color:#00007F">As</SPAN> <SPAN style="color:#00007F">Object</SPAN>, <SPAN style="color:#00007F">ByVal</SPAN> Target <SPAN style="color:#00007F">As</SPAN> Range)
<SPAN style="color:#00007F">End</SPAN> <SPAN style="color:#00007F">Sub</SPAN>
<SPAN style="color:#00007F">Private</SPAN> <SPAN style="color:#00007F">Sub</SPAN> Workbook_SheetSelectionChange(<SPAN style="color:#00007F">ByVal</SPAN> Sh <SPAN style="color:#00007F">As</SPAN> <SPAN style="color:#00007F">Object</SPAN>, <SPAN style="color:#00007F">ByVal</SPAN> Target <SPAN style="color:#00007F">As</SPAN> Range)
<SPAN style="color:#00007F">End</SPAN> <SPAN style="color:#00007F">Sub</SPAN></FONT>
HTH,
Smitty