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excel - 用户窗体：在文本框中继续运行总计

问题描述

每次在我的用户表单中更新列表框时，我都希望更新文本框值。我有两个用户表单，用户可以在它们之间来回移动值）。我希望每次值在用户表单之间来回移动时更新文本框值。这是我下面的代码。

Private Sub btnMoveLeft_Click()

Dim iCtr As Long

For iCtr = 0 To Me.lstAssigned.ListCount - 1
    If Me.lstAssigned.Selected(iCtr) = True Then
        Me.lstUnassigned.AddItem Me.lstAssigned.List(iCtr)
        lookValue = WorksheetFunction.VLookup(Me.lstUnassigned(iCtr), Sheets("Pivot").Range("A:J"), 10, False)
        txtAC.Value = txtAC.Value - lookValue
    End If
Next iCtr

For iCtr = Me.lstAssigned.ListCount - 1 To 0 Step -1
    If Me.lstAssigned.Selected(iCtr) = True Then
        Me.lstAssigned.RemoveItem iCtr
    End If
Next iCtr

End Sub

Private Sub btnMoveRight_Click()

Dim iCtr As Long

For iCtr = 0 To Me.lstUnassigned.ListCount - 1
    If Me.lstUnassigned.Selected(iCtr) = True Then
        Me.lstAssigned.AddItem Me.lstUnassigned.List(iCtr)
        lookValue = WorksheetFunction.VLookup(Me.lstAssigned.List(iCtr), Sheets("Pivot").Range("A:J"), 10, False)
        txtAC.Value = txtAC.Value + lookValue
    End If
Next iCtr

For iCtr = Me.lstUnassigned.ListCount - 1 To 0 Step -1
    If Me.lstUnassigned.Selected(iCtr) = True Then
        Me.lstUnassigned.RemoveItem iCtr
    End If
Next iCtr

End Sub

我目前收到的错误是当它试图抓取lookValue时，错误显示“无法获取列表属性。无效的属性数组索引。” 任何帮助将不胜感激，非常感谢。

标签： excelvbauserform

解决方案

在很多情况下，最好使用中间变量而不是重复执行相同的操作。在这种情况下，您的问题是Me.lstAssigned.List(iCtr)检索当前选定的列表项的操作。通过使用中间变量，我能够让您的代码正常工作并从该列表框中删除该项目，而无需第二次循环。

Private Sub btnMoveLeft_Click()
    Dim iCtr As Long
    Dim selectedValue As Variant
    For iCtr = 0 To Me.lstAssigned.ListCount - 1
        If Me.lstAssigned.Selected(iCtr) = True Then
            selectedValue = Me.lstAssigned.List(iCtr)
            Me.lstUnassigned.AddItem selectedValue
            lookValue = WorksheetFunction.VLookup(selectedValue, _
                                   Sheets("Pivot").Range("A:J"), 10, False)
            txtAC.Value = txtAC.Value - lookValue
            Me.lstAssigned.RemoveItem iCtr
        End If
    Next iCtr
End Sub

Private Sub btnMoveRight_Click()
    Dim iCtr As Long
    Dim selectedValue As Variant
    For iCtr = 0 To Me.lstUnassigned.ListCount - 1
        If Me.lstUnassigned.Selected(iCtr) = True Then
            selectedValue = Me.lstUnassigned.List(iCtr)
            Me.lstAssigned.AddItem selectedValue
            lookValue = WorksheetFunction.VLookup(selectedValue, _
                                   Sheets("Pivot").Range("A:J"), 10, False)
            txtAC.Value = txtAC.Value + lookValue
            Me.lstUnassigned.RemoveItem iCtr
        End If
    Next iCtr
End Sub

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