列表(字符串) [英] list (of string)

问题描述

大家好，很抱歉这个愚蠢的问题，但我不明白.......

Hi all, sorry for this silly question but i don't understand.......

在我的代码中，我有一个字符串数组".

In my code i have an "array of string".

昏暗地址(20000)作为字符串

Dim addresses(20000) As String

我想改用List(of String).

I wanted to use the List(of String) instead.

所以我尝试了:

昏暗的地址作为新列表(字符串)

Dim Addresses as new list(of String)

在执行过程中，它给了我错误，我认为这是因为我没有初始化列表.

During exection, it gives me error and i have thought it was because i didn't initialize the list.

我的问题是....

My question is ....

我可以如下初始化它:

从{"，，"，}}开始的昏暗地址为List(Of String)= New List(Of String)

Dim addresses As List(Of String) = New List(Of String) From {"", "",""}

但是从一开始我就必须知道列表中有多少个项目.

But from the beginning i must know how many items are in the list.

我知道我必须在初始化之前将其初始化，但是如果我不知道其中有多少个字符串，我怎么能使用列表(字符串)?会在那里吗?

I know that i must initialize it BEFORE, but how the hell can i use the list(of String), if i DON'T KNOW how many strings are in there ? Will be there ??

在这种情况下，数组比较容易.我将其调暗为最多20000个对象.

The array in this case is easier. I dim it as a max of 20000 object.

并带有列表(字符串)?????????????

And with the list(of string) ?????????????

非常感谢.

推荐答案

莱昂纳多

您不需要事先知道多少?它将动态分配所需的内容:

You don't need to know how many in advance; it will dynamically allocate what's needed:

Dim Addresses As New List(Of String)

' At some point later:

Addresses.Add("this is a string")

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