使用谓词.net 2.0 vb.net计算List(Of结构)中的项目 [英] count items in List(Of structure) using predicate .net 2.0 vb.net

问题描述

我需要在.net 2.0的列表中(结构列表)计算符合条件的项目.例如

Dim listcars as new list(or car)
Structure car
   Dim Name as string
   Dim year as integer
End structure

现在我需要计算所有名称为Toyota等的汽车，我该怎么做.
感谢

解决方案

这是您要查找的内容吗?

了解C#中的谓词委托 [ C#，List.Find()和谓词 [列表(T )成员(VB.NET) [ ^ ]

看看find和findall方法.

对所有提出建议和做出贡献的人表示感谢，

这是我找到的解决方案

 FoundCar = MyCars.FindAll(功能(项目 As  Car)项.名称= " ).计数

I need to count the items that meet a criteria in a list(of structure) in .net 2.0. eg

Dim listcars as new list(or car)
Structure car
   Dim Name as string
   Dim year as integer
End structure

Now i need to count all cars with name toyota etc, how do i do it.
thanks

解决方案

Is this what you''re looking for?

Understanding Predicate Delegates in C#[^]

C#, List.Find() and Predicates[^]

Hope it helps

List(T) members (VB.NET)[^]

look at the find and findall methods.

Thnaks for all who suggested and contributed,

Here is the solution i found

FoundCar = MyCars.FindAll(Function(item As Car) item.Name = "Toyota").Count

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