
対象のシート.Range(対象とする列の先頭).End(xlDown).Row
Sub GyoSuuSample_01()
Dim sheetXXX As Worksheet
Dim GyoSuu As Worksheet
Set sheetXXX = Worksheets("Sheet1")
lngLineNum = sheetXXX.Range("A1").End(xlDown).Row
End Sub