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VB.NET HybridDictionary.Clear方法代码示例

本文整理汇总了VB.NET中System.Collections.Specialized.HybridDictionary.Clear方法的典型用法代码示例。如果您正苦于以下问题:VB.NET HybridDictionary.Clear方法的具体用法?VB.NET HybridDictionary.Clear怎么用?VB.NET HybridDictionary.Clear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System.Collections.Specialized.HybridDictionary的用法示例。


在下文中一共展示了HybridDictionary.Clear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 SamplesHybridDictionary   

   Public Shared Sub Main()

      ' Creates and initializes a new HybridDictionary.
      Dim myCol As New HybridDictionary()
      myCol.Add("Braeburn Apples", "1.49")
      myCol.Add("Fuji Apples", "1.29")
      myCol.Add("Gala Apples", "1.49")
      myCol.Add("Golden Delicious Apples", "1.29")
      myCol.Add("Granny Smith Apples", "0.89")
      myCol.Add("Red Delicious Apples", "0.99")
      myCol.Add("Plantain Bananas", "1.49")
      myCol.Add("Yellow Bananas", "0.79")
      myCol.Add("Strawberries", "3.33")
      myCol.Add("Cranberries", "5.98")
      myCol.Add("Navel Oranges", "1.29")
      myCol.Add("Grapes", "1.99")
      myCol.Add("Honeydew Melon", "0.59")
      myCol.Add("Seedless Watermelon", "0.49")
      myCol.Add("Pineapple", "1.49")
      myCol.Add("Nectarine", "1.99")
      myCol.Add("Plums", "1.69")
      myCol.Add("Peaches", "1.99")

      ' Displays the values in the HybridDictionary in three different ways.
      Console.WriteLine("Initial contents of the HybridDictionary:")
      PrintKeysAndValues(myCol)

      ' Deletes a key.
      myCol.Remove("Plums")
      Console.WriteLine("The collection contains the following elements after removing ""Plums"":")
      PrintKeysAndValues(myCol)

      ' Clears the entire collection.
      myCol.Clear()
      Console.WriteLine("The collection contains the following elements after it is cleared:")
      PrintKeysAndValues(myCol)

   End Sub

   Public Shared Sub PrintKeysAndValues(myCol As IDictionary)

      Console.WriteLine("   KEY                       VALUE")
      Dim de As DictionaryEntry
      For Each de In  myCol
         Console.WriteLine("   {0,-25} {1}", de.Key, de.Value)
      Next de
      Console.WriteLine()

   End Sub

End Class
开发者ID:VB.NET开发者,项目名称:System.Collections.Specialized,代码行数:57,代码来源:HybridDictionary.Clear

输出:

Initial contents of the HybridDictionary:
KEY                       VALUE
Seedless Watermelon       0.49
Nectarine                 1.99
Cranberries               5.98
Plantain Bananas          1.49
Honeydew Melon            0.59
Pineapple                 1.49
Strawberries              3.33
Grapes                    1.99
Braeburn Apples           1.49
Peaches                   1.99
Red Delicious Apples      0.99
Golden Delicious Apples   1.29
Yellow Bananas            0.79
Granny Smith Apples       0.89
Gala Apples               1.49
Plums                     1.69
Navel Oranges             1.29
Fuji Apples               1.29

The collection contains the following elements after removing "Plums":
KEY                       VALUE
Seedless Watermelon       0.49
Nectarine                 1.99
Cranberries               5.98
Plantain Bananas          1.49
Honeydew Melon            0.59
Pineapple                 1.49
Strawberries              3.33
Grapes                    1.99
Braeburn Apples           1.49
Peaches                   1.99
Red Delicious Apples      0.99
Golden Delicious Apples   1.29
Yellow Bananas            0.79
Granny Smith Apples       0.89
Gala Apples               1.49
Navel Oranges             1.29
Fuji Apples               1.29

The collection contains the following elements after it is cleared:
KEY                       VALUE


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