本文整理匯總了VB.NET中System.Func<T1,T2,T3,TResult>代理的典型用法代碼示例。如果您正苦於以下問題：VB.NET Func<T1,T2,T3,TResult>代理的具體用法？VB.NET Func<T1,T2,T3,TResult>怎麽用？VB.NET Func<T1,T2,T3,TResult>使用的例子？那麽, 這裏精選的代理代碼示例或許可以為您提供幫助。
在下文中一共展示了Func<T1,T2,T3,TResult>代理的4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: Func3Example
' 導入命名空間
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
' 導入命名空間
Imports System.Globalization
Delegate Function ParseNumber(Of T)(input As String, styles As NumberStyles, _
provider As IFormatProvider) As T
Module DelegateExample
Public Sub Main()
Dim numericString As String = "-1,234"
Dim parser As ParseNumber(Of Integer) = AddressOf Integer.Parse
Console.WriteLine(parser(numericString, _
NumberStyles.Integer Or NumberStyles.AllowThousands, _
CultureInfo.InvariantCulture))
End Sub
End Module示例3: GenericFunc
' 導入命名空間
Imports System.Globalization
Module GenericFunc
Public Sub Main()
Dim numericString As String = "-1,234"
Dim parser As Func(Of String, NumberStyles, IFormatProvider, Integer) _
= AddressOf Integer.Parse
Console.WriteLine(parser(numericString, _
NumberStyles.Integer Or NumberStyles.AllowThousands, _
CultureInfo.InvariantCulture))
End Sub
End Module示例4: LambdaExpression
' 導入命名空間
Imports System.Globalization
Module LambdaExpression
Public Sub Main()
Dim numericString As String = "-1,234"
Dim parser As Func(Of String, NumberStyles, IFormatProvider, Integer) _
= Function(s, sty, p) Integer.Parse(s, sty, p)
Console.WriteLine(parser(numericString, _
NumberStyles.Integer Or NumberStyles.AllowThousands, _
CultureInfo.InvariantCulture))
End Sub
End Module