下一循环的清除/空变量

Question

我有一个情况,我需要clear变量,lastWord以便msgbox下一步显示任何内容loop.

下面的代码只是一个例子.

Sub clear_lastWord_Variable()

    Dim wordArr() As String
    Dim lastword As String
    Do
        selection.Find.ClearFormatting
        selection.Find.Font.Bold = True
        With selection.Find
            .Forward = True
            .Wrap = wdFindStop
        End With
        selection.Find.Execute

        If selection.Find.Found Then

            wordArr = Split(selection, " ")

            For i = LBound(wordArr) To UBound(wordArr) Step 1
                lastword = wordArr(i)

            Next i

            MsgBox lastword

            ' here should be something to clear lastword
        Else
            Exit Do
        End If
    Loop

End Sub

Answer 1

您无法"清除"非对象变量,只能将其设置为已定义的值.对于字符串变量,通常是空字符串"".

lastword = ""

或(相同)

lastword = vbNullString

对于对象变量,有Set myObj = Nothing.

Answer 2

如果您的变量不是对象，您还可以执行以下操作：

lastword = Empty