本文整理汇总了VB.NET中System.Func<T1,T2,T3,T4,TResult>代理的典型用法代码示例。如果您正苦于以下问题：VB.NET Func<T1,T2,T3,T4,TResult>代理的具体用法？VB.NET Func<T1,T2,T3,T4,TResult>怎么用？VB.NET Func<T1,T2,T3,T4,TResult>使用的例子？那么, 这里精选的代理代码示例或许可以为您提供帮助。
在下文中一共展示了Func<T1,T2,T3,T4,TResult>代理的4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: Func3Example
' 导入命名空间
Imports System.Collections.Generic
Imports System.Linq
Public Module Func3Example
Public Sub Main()
Dim predicate As Func(Of String, Integer, Boolean) = Function(str, index) str.Length = index
Dim words() As String = { "orange", "apple", "Article", "elephant", "star", "and" }
Dim aWords As IEnumerable(Of String) = words.Where(predicate)
For Each word As String In aWords
Console.WriteLine(word)
Next
End Sub
End Module示例2: Main
Delegate Function Searcher(searchString As String, _
start As Integer, _
count As Integer, _
type As StringComparison) As Integer
Module DelegateExample
Public Sub Main()
Dim title As String = "The House of the Seven Gables"
Dim position As Integer = 0
Dim finder As Searcher = AddressOf title.IndexOf
Do
Dim characters As Integer = title.Length - position
position = finder("the", position, characters, _
StringComparison.InvariantCultureIgnoreCase)
If position >= 0 Then
position += 1
Console.WriteLine("'The' found at position {0} in {1}.", _
position, title)
End If
Loop While position > 0
End Sub
End Module示例3: DelegateExample
Module DelegateExample
Public Sub Main()
Dim title As String = "The House of the Seven Gables"
Dim position As Integer = 0
Dim finder As Func(Of String, Integer, Integer, StringComparison, Integer) _
= AddressOf title.IndexOf
Do
Dim characters As Integer = title.Length - position
position = finder("the", position, characters, _
StringComparison.InvariantCultureIgnoreCase)
If position >= 0 Then
position += 1
Console.WriteLine("'The' found at position {0} in {1}.", _
position, title)
End If
Loop While position > 0
End Sub
End Module示例4: DelegateExample
Module DelegateExample
Public Sub Main()
Dim title As String = "The House of the Seven Gables"
Dim position As Integer = 0
Dim finder As Func(Of String, Integer, Integer, StringComparison, Integer) _
= Function(s, pos, chars, type) _
title.IndexOf(s, pos, chars, type)
Do
Dim characters As Integer = title.Length - position
position = finder("the", position, characters, _
StringComparison.InvariantCultureIgnoreCase)
If position >= 0 Then
position += 1
Console.WriteLine("'The' found at position {0} in {1}.", _
position, title)
End If
Loop While position > 0
End Sub
End Module