插入公式后的宏延迟问题 - Excel

Question

我在 Excel 中有一个中央数据库，它使用输入到 Column B 和 hides/unhides 其他相关 Columns 中的特定值。在我放入单独的公式将不同的值复制到它们各自的 sheets 之前，这工作得很好。

例如如果 A 在 Column B 中输入，它应该 Columns D:E。然后，一个单独的 formula 会将 row 复制到一个单独的 sheet 中，其中包含所有 A's.

问题是这个宏现在需要很长时间才能执行。我已经禁用了手动使它们运行的公式，但它没有帮助。这是 hides/unhides 列的宏示例。

Private Sub Worksheet_Change(ByVal Target As Range)

    If Not Intersect(Target, Range("B:B")) Is Nothing Then
        On Error GoTo safe_exit
        Application.EnableEvents = False
        Dim t As Range
        For Each t In Intersect(Target, Range("B:B"))
            Select Case (t.Value)
                Case "A"
                    Columns("B:BQ").EntireColumn.Hidden = False
                    Columns("H:AD").EntireColumn.Hidden = True
                    Columns("AF:BL").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True
                Case "B"
                    Columns("B:BQ").EntireColumn.Hidden = False
                    Columns("F:G").EntireColumn.Hidden = True
                    Columns("P:BP").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True
                Case "C"
                    Columns("B:BQ").EntireColumn.Hidden = False
                    Columns("F:O").EntireColumn.Hidden = True
                    Columns("T:BL").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True
                Case "D"
                    Columns("B:BP").EntireColumn.Hidden = False
                    Columns("E:S").EntireColumn.Hidden = True
                    Columns("AB:BL").EntireColumn.Hidden = True
                    Columns("BN:BP").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True
                Case "E"
                    Columns("B:BQ").EntireColumn.Hidden = False
                    Columns("D:AB").EntireColumn.Hidden = True
                    Columns("AF:BO").EntireColumn.Hidden = True
                Case "F"
                    Columns("B:BP").EntireColumn.Hidden = False
                    Columns("E:AE").EntireColumn.Hidden = True
                    Columns("AN:BN").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True
                 Case "G"
                    Columns("B:BP").EntireColumn.Hidden = False
                    Columns("F:BJ").EntireColumn.Hidden = True
                    Columns("BL:BN").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True
                 Case "H"
                    Columns("B:BP").EntireColumn.Hidden = False
                    Columns("F:BJ").EntireColumn.Hidden = True
                    Columns("BL:BN").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True
                 Case "I"
                    Columns("B:BP").EntireColumn.Hidden = False
                    Columns("F:BN").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True
                 Case "J"
                    Columns("B:BP").EntireColumn.Hidden = False
                    Columns("E:BN").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True
                 Case "K"
                    Columns("B:BP").EntireColumn.Hidden = False
                    Columns("F:BN").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True
                 Case "L"
                    Columns("B:BP").EntireColumn.Hidden = False
                    Columns("F:BN").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True
                 Case "M"
                    Columns("B:BP").EntireColumn.Hidden = False
                    Columns("F:BN").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True
                 Case "N"
                    Columns("B:BP").EntireColumn.Hidden = False
                    Columns("E:BN").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True
                 Case "O"
                    Columns("B:BP").EntireColumn.Hidden = False
                    Columns("F:BJ").EntireColumn.Hidden = True
                    Columns("BM:BN").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True
                 Case "P"
                    Columns("B:BP").EntireColumn.Hidden = False
                    Columns("F:AM").EntireColumn.Hidden = True
                    Columns("AO:BN").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True
                 Case "Q"
                    Columns("B:BP").EntireColumn.Hidden = False
                    Columns("F:BL").EntireColumn.Hidden = True
                    Columns("BN").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True
                 Case "R"
                    Columns("B:BP").EntireColumn.Hidden = False
                    Columns("F:AN").EntireColumn.Hidden = True
                    Columns("AP:BM").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True
                 Case "S"
                    Columns("B:BP").EntireColumn.Hidden = False
                    Columns("F:AO").EntireColumn.Hidden = True
                    Columns("AQ:BM").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True
                 Case "T"
                    Columns("B:BP").EntireColumn.Hidden = False
                    Columns("F:AN").EntireColumn.Hidden = True
                    Columns("AP:BM").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True
                 Case "U"
                    Columns("B:BP").EntireColumn.Hidden = False
                    Columns("F:AP").EntireColumn.Hidden = True
                    Columns("BB:BN").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True
                 Case "V"
                    Columns("B:BP").EntireColumn.Hidden = False
                    Columns("F:BA").EntireColumn.Hidden = True
                    Columns("BK:BN").EntireColumn.Hidden = True
                    Columns("BQ").EntireColumn.Hidden = True 
                    'do nothing
            End Select
        Next t
        ActiveWindow.Zoom = 100 '<<<
    End If

safe_exit:
    Application.EnableEvents = True

End Sub

这是公式：

=IF(IFERROR(INDEX('XXXXX'!B:B63,MATCH($A5,'XXXXX'!$A:$A63,0)),"")="","",INDEX('XXXXX'!B:B63,MATCH($A5,'XXXXX'!$A:$A63,0)))

数据库包含大约 3000 行。文件大小约为 7-8MB。我删除了所有公式，但存在相同的延迟。我删除了 2000 行数据，这使它更快。但这似乎并没有很大的不同？

该文件通过 OneDrive 与众多实时使用它的用户共享。此后，一位用户提到他根本无法打开该文件。一打开就崩溃。会不会是巧合，损坏的 link 导致了损坏？

Answer 1

请注意，您可以将代码减少到只有一个 Intersect(Target, Range("B:B")) 并退出循环并改用 Match 函数。这样，您只会隐藏该列一次，而不会每次一个值 A 出现在受影响的范围内。

Option Explicit

Private Sub Worksheet_Change(ByVal Target As Range)

    Dim AffectedRange As Range
    Set AffectedRange = Intersect(Target, Range("B:B")) 'intersect olny once and set into variable for re-use

    If Not AffectedRange Is Nothing Then
        On Error GoTo safe_exit
        Application.EnableEvents = False

        Dim FoundAt As Long
        On Error Resume Next
        FoundAt = Application.WorksheetFunction.Match("A", AffectedRange, False)
        On Error GoTo 0

        If FoundAt <> 0 Then
            Columns("B:BQ").EntireColumn.Hidden = False
            Columns("H:AD").EntireColumn.Hidden = True
            Columns("AF:BL").EntireColumn.Hidden = True
            Columns("BQ").EntireColumn.Hidden = True
        End If

        ActiveWindow.Zoom = 100 '<<<
    End If

safe_exit:
    Application.EnableEvents = True
End Sub

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