本文整理汇总了VB.NET中System.Collections.ObjectModel.ReadOnlyCollection<T>.Contains方法的典型用法代码示例。如果您正苦于以下问题：VB.NET ReadOnlyCollection<T>.Contains方法的具体用法？VB.NET ReadOnlyCollection<T>.Contains怎么用？VB.NET ReadOnlyCollection<T>.Contains使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Collections.ObjectModel.ReadOnlyCollection<T>的用法示例。
在下文中一共展示了ReadOnlyCollection<T>.Contains方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: Example
' 导入命名空间
Imports System.Collections.Generic
Imports System.Collections.ObjectModel
Public Class Example
Public Shared Sub Main()
Dim dinosaurs As New List(Of String)
dinosaurs.Add("Tyrannosaurus")
dinosaurs.Add("Amargasaurus")
dinosaurs.Add("Deinonychus")
dinosaurs.Add("Compsognathus")
Dim readOnlyDinosaurs As _
New ReadOnlyCollection(Of String)(dinosaurs)
Console.WriteLine()
For Each dinosaur As String In readOnlyDinosaurs
Console.WriteLine(dinosaur)
Next
Console.WriteLine(vbLf & "Count: {0}", _
readOnlyDinosaurs.Count)
Console.WriteLine(vbLf & "Contains(""Deinonychus""): {0}", _
readOnlyDinosaurs.Contains("Deinonychus"))
Console.WriteLine(vbLf & _
"readOnlyDinosaurs(3): {0}", readOnlyDinosaurs(3))
Console.WriteLine(vbLf & "IndexOf(""Compsognathus""): {0}", _
readOnlyDinosaurs.IndexOf("Compsognathus"))
Console.WriteLine(vbLf & "Insert into the wrapped List:")
Console.WriteLine("Insert(2, ""Oviraptor"")")
dinosaurs.Insert(2, "Oviraptor")
Console.WriteLine()
For Each dinosaur As String In readOnlyDinosaurs
Console.WriteLine(dinosaur)
Next
Dim dinoArray(readOnlyDinosaurs.Count + 1) As String
readOnlyDinosaurs.CopyTo(dinoArray, 1)
Console.WriteLine(vbLf & "Copied array has {0} elements:", _
dinoArray.Length)
For Each dinosaur As String In dinoArray
Console.WriteLine("""{0}""", dinosaur)
Next
End Sub
End Class输出：
Tyrannosaurus
Amargasaurus
Deinonychus
Compsognathus
Count: 4
Contains("Deinonychus"): True
readOnlyDinosaurs(3): Compsognathus
IndexOf("Compsognathus"): 3
Insert into the wrapped List:
Insert(2, "Oviraptor")
Tyrannosaurus
Amargasaurus
Oviraptor
Deinonychus
Compsognathus
Copied array has 7 elements:
""
"Tyrannosaurus"
"Amargasaurus"
"Oviraptor"
"Deinonychus"
"Compsognathus"
""