vb.net 如何将数组列表放入列表框中
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How do I put an arraylist in a Listbox
提问by HansEJC
So I need help on an assignment and I've been trying to solve it for more than a week, but I need help on putting an arraylist inside a listbox.
所以我需要一个作业的帮助，我已经尝试解决它一个多星期了，但我需要帮助将数组列表放入列表框。
That's what the GUI should look like in the end, all the information has to be saved in an arraylist; I should be able to add a new customer; click on a customer entry to edit it.
这就是 GUI 最终应该是什么样子，所有信息都必须保存在一个数组列表中；我应该能够添加一个新客户；单击客户条目进行编辑。
回答by FastAl
List1.Items.Clear
List1.Items.AddRange(al1.ToArray)
OR,
或者，
List1.Items.Clear
For each obj as object in al1
List1.Items.Add(obj)
Next
Or,
或者，
List1.Items.Clear
For i as Integer = 0 to al1.count-1
List1.Items.Add(al1(i))
Next
You will have to override the ToString of your object in the Arraylist. You will have to make the listbox font a fixed font so you can do the spacing (Courier New).
I would suggest using a Generic.List (Of clsCustomer) however if that's not in the assignment you'll be stuck typecasting the objects in the arraylist.
This still leaves out a ton of detail for solving that assignment, however.
Good luck.
您必须在 Arraylist 中覆盖对象的 ToString。您必须将列表框字体设为固定字体，以便您可以设置间距（Courier New）。
我建议使用 Generic.List (Of clsCustomer) 但是如果这不在分配中，您将被困在对数组列表中的对象进行类型转换。
然而，这仍然遗漏了解决该任务的大量细节。
祝你好运。
