主题：指定excel文件生成PDF

参考

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