本文整理汇总了VB.NET中System.Collections.Specialized.StringDictionary.ContainsKey方法的典型用法代码示例。如果您正苦于以下问题：VB.NET StringDictionary.ContainsKey方法的具体用法？VB.NET StringDictionary.ContainsKey怎么用？VB.NET StringDictionary.ContainsKey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.Specialized.StringDictionary的用法示例。
在下文中一共展示了StringDictionary.ContainsKey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: Main
' 导入命名空间
Imports System.Collections
Imports System.Collections.Specialized
Public Class SamplesStringDictionary
Public Shared Sub Main()
' Creates and initializes a new StringDictionary.
Dim myCol As New StringDictionary()
myCol.Add("red", "rojo")
myCol.Add("green", "verde")
myCol.Add("blue", "azul")
' Displays the values in the StringDictionary.
Console.WriteLine("Initial contents of the StringDictionary:")
PrintKeysAndValues(myCol)
' Searches for a key.
If myCol.ContainsKey("red") Then
Console.WriteLine("The collection contains the key ""red"".")
Else
Console.WriteLine("The collection does not contain the key ""red"".")
End If
Console.WriteLine()
' Searches for a value.
If myCol.ContainsValue("amarillo") Then
Console.WriteLine("The collection contains the value ""amarillo"".")
Else
Console.WriteLine("The collection does not contain the value ""amarillo"".")
End If
Console.WriteLine()
End Sub
Public Shared Sub PrintKeysAndValues(myCol As StringDictionary)
Dim de As DictionaryEntry
Console.WriteLine(" KEY VALUE")
For Each de In myCol
Console.WriteLine(" {0,-10} {1}", de.Key, de.Value)
Next de
Console.WriteLine()
End Sub
End Class输出：
Initial contents of the StringDictionary: KEY VALUE green verde red rojo blue azul The collection contains the key "red". The collection does not contain the value "amarillo".