本文整理匯總了VB.NET中System.Collections.Generic.Dictionary<TKey,TValue>.Dictionary構造函數的典型用法代碼示例。如果您正苦於以下問題：VB.NET Dictionary<TKey,TValue>構造函數的具體用法？VB.NET Dictionary<TKey,TValue>怎麽用？VB.NET Dictionary<TKey,TValue>使用的例子？那麽, 這裏精選的構造函數代碼示例或許可以為您提供幫助。您也可以進一步了解該構造函數所在類System.Collections.Generic.Dictionary<TKey,TValue>的用法示例。
在下文中一共展示了Dictionary<TKey,TValue>構造函數的6個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
示例1: Dictionary
' Create a new dictionary of strings, with string keys.
'
Dim openWith As New Dictionary(Of String, String)
' Add some elements to the dictionary. There are no
' duplicate keys, but some of the values are duplicates.
openWith.Add("txt", "notepad.exe")
openWith.Add("bmp", "paint.exe")
openWith.Add("dib", "paint.exe")
openWith.Add("rtf", "wordpad.exe")
' The Add method throws an exception if the new key is
' already in the dictionary.
Try
openWith.Add("txt", "winword.exe")
Catch
Console.WriteLine("An element with Key = ""txt"" already exists.")
End Try示例2: Example
' 導入命名空間
Imports System.Collections.Generic
Public Class Example
Public Shared Sub Main()
' Create a new sorted dictionary of strings, with string
' keys.
Dim openWith As New SortedDictionary(Of String, String)
' Add some elements to the sorted dictionary.
openWith.Add("txt", "notepad.exe")
openWith.Add("bmp", "paint.exe")
openWith.Add("dib", "paint.exe")
openWith.Add("rtf", "wordpad.exe")
' Create a Dictionary of strings with string keys, and
' initialize it with the contents of the sorted dictionary.
Dim copy As New Dictionary(Of String, String)(openWith)
' List the contents of the copy.
Console.WriteLine()
For Each kvp As KeyValuePair(Of String, String) In copy
Console.WriteLine("Key = {0}, Value = {1}", _
kvp.Key, kvp.Value)
Next kvp
End Sub
End Class輸出：
Key = bmp, Value = paint.exe Key = dib, Value = paint.exe Key = rtf, Value = wordpad.exe Key = txt, Value = notepad.exe
示例3: Example
' 導入命名空間
Imports System.Collections.Generic
Public Class Example
Public Shared Sub Main()
' Create a new Dictionary of strings, with string keys
' and a case-insensitive comparer for the current culture.
Dim openWith As New Dictionary(Of String, String)( _
StringComparer.CurrentCultureIgnoreCase)
' Add some elements to the dictionary.
openWith.Add("txt", "notepad.exe")
openWith.Add("bmp", "paint.exe")
openWith.Add("DIB", "paint.exe")
openWith.Add("rtf", "wordpad.exe")
' Try to add a fifth element with a key that is the same
' except for case; this would be allowed with the default
' comparer.
Try
openWith.Add("BMP", "paint.exe")
Catch ex As ArgumentException
Console.WriteLine(vbLf & "BMP is already in the dictionary.")
End Try
' List the contents of the dictionary.
Console.WriteLine()
For Each kvp As KeyValuePair(Of String, String) In openWith
Console.WriteLine("Key = {0}, Value = {1}", _
kvp.Key, kvp.Value)
Next kvp
End Sub
End Class輸出：
BMP is already in the dictionary. Key = txt, Value = notepad.exe Key = bmp, Value = paint.exe Key = DIB, Value = paint.exe Key = rtf, Value = wordpad.exe
示例4: Example
' 導入命名空間
Imports System.Collections.Generic
Public Class Example
Public Shared Sub Main()
' Create a new dictionary of strings, with string keys and
' an initial capacity of 4.
Dim openWith As New Dictionary(Of String, String)(4)
' Add 4 elements to the dictionary.
openWith.Add("txt", "notepad.exe")
openWith.Add("bmp", "paint.exe")
openWith.Add("dib", "paint.exe")
openWith.Add("rtf", "wordpad.exe")
' List the contents of the dictionary.
Console.WriteLine()
For Each kvp As KeyValuePair(Of String, String) In openWith
Console.WriteLine("Key = {0}, Value = {1}", _
kvp.Key, kvp.Value)
Next kvp
End Sub
End Class輸出：
Key = txt, Value = notepad.exe Key = bmp, Value = paint.exe Key = dib, Value = paint.exe Key = rtf, Value = wordpad.exe
示例5: Example
' 導入命名空間
Imports System.Collections.Generic
Public Class Example
Public Shared Sub Main()
' Create a new sorted dictionary of strings, with string
' keys and a case-insensitive comparer.
Dim openWith As New SortedDictionary(Of String, String)( _
StringComparer.CurrentCultureIgnoreCase)
' Add some elements to the sorted dictionary.
openWith.Add("txt", "notepad.exe")
openWith.Add("Bmp", "paint.exe")
openWith.Add("DIB", "paint.exe")
openWith.Add("rtf", "wordpad.exe")
' Create a Dictionary of strings with string keys and a
' case-insensitive equality comparer, and initialize it
' with the contents of the sorted dictionary.
Dim copy As New Dictionary(Of String, String)(openWith, _
StringComparer.CurrentCultureIgnoreCase)
' List the contents of the copy.
Console.WriteLine()
For Each kvp As KeyValuePair(Of String, String) In copy
Console.WriteLine("Key = {0}, Value = {1}", _
kvp.Key, kvp.Value)
Next kvp
End Sub
End Class輸出：
Key = Bmp, Value = paint.exe Key = DIB, Value = paint.exe Key = rtf, Value = wordpad.exe Key = txt, Value = notepad.exe
示例6: Example
' 導入命名空間
Imports System.Collections.Generic
Public Class Example
Public Shared Sub Main()
' Create a new Dictionary of strings, with string keys, an
' initial capacity of 5, and a case-insensitive equality
' comparer.
Dim openWith As New Dictionary(Of String, String)(5, _
StringComparer.CurrentCultureIgnoreCase)
' Add 4 elements to the dictionary.
openWith.Add("txt", "notepad.exe")
openWith.Add("bmp", "paint.exe")
openWith.Add("DIB", "paint.exe")
openWith.Add("rtf", "wordpad.exe")
' Try to add a fifth element with a key that is the same
' except for case; this would be allowed with the default
' comparer.
Try
openWith.Add("BMP", "paint.exe")
Catch ex As ArgumentException
Console.WriteLine(vbLf & "BMP is already in the dictionary.")
End Try
' List the contents of the dictionary.
Console.WriteLine()
For Each kvp As KeyValuePair(Of String, String) In openWith
Console.WriteLine("Key = {0}, Value = {1}", _
kvp.Key, kvp.Value)
Next kvp
End Sub
End Class輸出：
BMP is already in the dictionary. Key = txt, Value = notepad.exe Key = bmp, Value = paint.exe Key = DIB, Value = paint.exe Key = rtf, Value = wordpad.exe