本文整理汇总了VB.NET中System.Collections.Specialized.NameObjectCollectionBase.BaseGetAllKeys方法的典型用法代码示例。如果您正苦于以下问题：VB.NET NameObjectCollectionBase.BaseGetAllKeys方法的具体用法？VB.NET NameObjectCollectionBase.BaseGetAllKeys怎么用？VB.NET NameObjectCollectionBase.BaseGetAllKeys使用的例子？那么恭喜您, 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.NameObjectCollectionBase的用法示例。
在下文中一共展示了NameObjectCollectionBase.BaseGetAllKeys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: MyCollection
' 导入命名空间
Imports System.Collections
Imports System.Collections.Specialized
Public Class MyCollection
Inherits NameObjectCollectionBase
Private _de As New DictionaryEntry()
' Gets a key-and-value pair (DictionaryEntry) using an index.
Default Public ReadOnly Property Item(index As Integer) As DictionaryEntry
Get
_de.Key = Me.BaseGetKey(index)
_de.Value = Me.BaseGet(index)
Return _de
End Get
End Property
' Adds elements from an IDictionary into the new collection.
Public Sub New(d As IDictionary)
Dim de As DictionaryEntry
For Each de In d
Me.BaseAdd(CType(de.Key, String), de.Value)
Next de
End Sub
' Gets a String array that contains all the keys in the collection.
Public ReadOnly Property AllKeys() As String()
Get
Return Me.BaseGetAllKeys()
End Get
End Property
' Gets an Object array that contains all the values in the collection.
Public ReadOnly Property AllValues() As Array
Get
Return Me.BaseGetAllValues()
End Get
End Property
' Gets a String array that contains all the values in the collection.
Public ReadOnly Property AllStringValues() As String()
Get
Return CType(Me.BaseGetAllValues(GetType(String)), String())
End Get
End Property
End Class
Public Class SamplesNameObjectCollectionBase
Public Shared Sub Main()
' Creates and initializes a new MyCollection instance.
Dim d As New ListDictionary()
d.Add("red", "apple")
d.Add("yellow", "banana")
d.Add("green", "pear")
Dim myCol As New MyCollection(d)
Console.WriteLine("Initial state of the collection (Count = {0}):", myCol.Count)
PrintKeysAndValues(myCol)
' Displays the list of keys.
Console.WriteLine("The list of keys:")
Dim s As String
For Each s In myCol.AllKeys
Console.WriteLine(" {0}", s)
Next s
' Displays the list of values of type Object.
Console.WriteLine("The list of values (Object):")
Dim o As Object
For Each o In myCol.AllValues
Console.WriteLine(" {0}", o.ToString())
Next o
' Displays the list of values of type String.
Console.WriteLine("The list of values (String):")
For Each s In myCol.AllValues
Console.WriteLine(" {0}", s)
Next s
End Sub
Public Shared Sub PrintKeysAndValues(myCol As MyCollection)
Dim i As Integer
For i = 0 To myCol.Count - 1
Console.WriteLine("[{0}] : {1}, {2}", i, myCol(i).Key, myCol(i).Value)
Next i
End Sub
End Class开发者ID:VB.NET开发者，项目名称:System.Collections.Specialized，代码行数:93，代码来源:NameObjectCollectionBase.BaseGetAllKeys
输出：
Initial state of the collection (Count = 3): [0] : red, apple [1] : yellow, banana [2] : green, pear The list of keys: red yellow green The list of values (Object): apple banana pear The list of values (String): apple banana pear