Count items in List(Of structure) using predicate in .NET 2.0/VB.NET

Question

I need to count the items that meet a criteria in a List(Of Structure) in .NET 2.0. For example:

Dim listcars as New List(Of 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?

Answer 1

You want List.LongCount.

Dim CarList As New List(Of Car)
Dim Model As String = "Toyota"
Dim ToyotaCount As Long = CarList.LongCount(Function(car) car.Name = Model)