在一个索引的For循环中调用特定项。

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英文:

Calling a specific item in an indexed For loop

问题

在对象上进行迭代的 For Each 循环与在索引 For 循环中调用特定项之间的区别是什么?

我编写了第一个宏,它按预期工作,但会提前退出。我认为这是因为我正在对迭代的列表进行更改。为了解决这个问题,我从列表底部开始工作,但调用 item(i) 并不返回一个对象。

在列表中间部分退出的代码。

Sub MoveItems()

    '...(代码未变)

    For Each olMail In myItems
        If InStr(olMail.HTMLBody, "Some Tag") <> 0 Then
            olMail.Move triaged_emails_A
        Else
            olMail.Move triaged_emails_B
        End If
    Next
    
End Sub

尝试修复上述失败的代码,但我无法将特定项调用为对象。

Sub MoveItems()

    '...(代码未变)

    For i = myItems.Count To 1 Step -1
        Set olMail = myInbox.Items(i)
        If InStr(olMail.HTMLBody, "Some Tag") <> 0 Then
            olMail.Move triaged_emails_A
        Else
            olMail.Move triaged_emails_B
        End If
    Next
    
End Sub

上述代码会触发 Set olMail = myInbox.item(i) 这一行,并返回:

需要对象。

英文:

I’m trying to understand the difference between iterating an object in a For Each loop vs calling a specific item in an indexed For loop.

I wrote the first macro which works as expected except it exits prematurely. I think because I’m making changes to the list I’m iterating on. To fix this I worked from the bottom of the list up but calling item(i) does not return an object.

Code that exited part way through the list.

Sub MoveItems()

    Dim myNameSpace As Outlook.NameSpace
    Dim myInbox As Outlook.Folder
    Dim traiged_emails_A As Outlook.Folder
    Dim traiged_emails_B As Outlook.Folder
    Dim myItems As Outlook.Items
    Dim olMail As Variant

    Set myNameSpace = Application.GetNamespace(&quot;MAPI&quot;)
    Set myInbox = myNameSpace.GetDefaultFolder(olFolderInbox)
    Set myItems = myInbox.Items
    Set triaged_emails_A = myInbox.Folders(&quot;triaged_emails_A&quot;)
    Set triaged_emails_B = myInbox.Folders(&quot;triaged_emails_B&quot;)
    Set myItems = myInbox.Folders(&quot;triaged_emails&quot;).Items

    For Each olMail In myItems
        If InStr(olMail.HTMLBody, &quot;Some Tag&quot;) &lt;&gt; 0 Then
            olMail.Move triaged_emails_A
        Else
            olMail.Move triaged_emails_B
        End If
    Next
    
End Sub

Code that attempts to fix the above failure but I can’t call the specific item as an object.

Sub MoveItems()

    Dim myNameSpace As Outlook.NameSpace
    Dim myInbox As Outlook.Folder
    Dim traiged_emails_A As Outlook.Folder
    Dim traiged_emails_B As Outlook.Folder
    Dim myItems As Outlook.Items
    Dim olMail As Variant

    Set myNameSpace = Application.GetNamespace(&quot;MAPI&quot;)
    Set myInbox = myNameSpace.GetDefaultFolder(olFolderInbox)
    Set myItems = myInbox.Items
    Set triaged_emails_A = myInbox.Folders(&quot;triaged_emails_A&quot;)
    Set triaged_emails_B = myInbox.Folders(&quot;triaged_emails_B&quot;)
    Set myItems = myInbox.Folders(&quot;triaged_emails&quot;).Items

    For i = myItems.Count To 1 Step -1
        Set olMail = Inbox.Items(i)
        If InStr(olMail.HTMLBody, &quot;Some Tag&quot;) &lt;&gt; 0 Then
            olMail.Move triaged_emails_A
        Else
            olMail.Move triaged_emails_B
        End If
    Next
    
End Sub

The above hits the line Set olMail = myInbox.item(i) and returns

>Object Required.

答案1

得分: 1

将以下行替换为:

Set olMail = myItems(i)

或者

Set olMail = myItems.Item(i)
英文:

Replace the line

Set olMail = Inbox.Items(i)

with

Set olMail = myItems(i)

or

Set olMail = myItems.Item(i)

huangapple
  • 本文由 发表于 2023年6月22日 20:03:03
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