subtotal

vsFlexGrid.Subtotal Function As SubtotalSettings, [ GroupOn As Long ], [ TotalOn As Long ], [ Format As String ], [ BackColor As Color ], [ ForeColor As Color ], [ FontBold As Boolean ], [ Caption As String ], [ MatchFrom As Long ], [ TotalOnly As Boolean ]
MatchFrom：從 哪 行 開 始 分 組
TotalOnly：統 計 行 是否 隻 顯 示 統 計 信 息