这个?
Dim App As New MSExcel.Application
try
Dim Wb As MSExcel.WorkBook = App.WorkBooks.Open("d:\会议签到表.xls")
'创建Excel文件对应的PDF文件
wb.Saved = True
wb.ExportAsFixedFormat(MSExcel.XlFixedFormatType.xlTypePDF, "d:\会议签到表.pdf", MsExcel.XlFixedFormatQuality.xlQualityStandard, True, False, System.Reflection.Missing.Value, System.Reflection.Missing.Value, True, System.Reflection.Missing.Value)
app.quit
msgbox("OK")
catch ex As exception
msgbox(ex.message)
app.quit
End try