本文整理汇总了VB.NET中System.Collections.Generic.Dictionary<TKey,TValue>.IDictionary.Contains方法的典型用法代码示例。如果您正苦于以下问题:VB.NET Dictionary<TKey,TValue>.IDictionary.Contains方法的具体用法?VB.NET Dictionary<TKey,TValue>.IDictionary.Contains怎么用?VB.NET Dictionary<TKey,TValue>.IDictionary.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.Generic.Dictionary<TKey,TValue>
的用法示例。
在下文中一共展示了Dictionary<TKey,TValue>.IDictionary.Contains方法的3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: Main
' 导入命名空间
Imports System.Collections
Imports System.Collections.Generic
Public Class Example
Public Shared Sub Main()
' Create a new dictionary of strings, with string keys,
' and access it using the IDictionary interface.
'
Dim openWith As IDictionary = _
New Dictionary(Of String, String)
' Add some elements to the dictionary. There are no
' duplicate keys, but some of the values are duplicates.
' IDictionary.Add throws an exception if incorrect types
' are supplied for key or value.
openWith.Add("txt", "notepad.exe")
openWith.Add("bmp", "paint.exe")
openWith.Add("dib", "paint.exe")
openWith.Add("rtf", "wordpad.exe")
示例2: openWith
' Contains can be used to test keys before inserting
' them.
If Not openWith.Contains("ht") Then
openWith.Add("ht", "hypertrm.exe")
Console.WriteLine("Value added for key = ""ht"": {0}", _
openWith("ht"))
End If
' IDictionary.Contains returns False if the wrong data
' type is supplied.
Console.WriteLine("openWith.Contains(29.7) returns {0}", _
openWith.Contains(29.7))
示例3:
End Sub
End Class