samples/snippets/visualbasic/VS_Snippets_CLR/Strings.Creating/vb/Example.vb - main - aprogrammer/dotnet-docs

samples/snippets/visualbasic/VS_Snippets_CLR/Strings.Creating/vb/Example.vb

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Format codes based on .editorconfig, Part 7 (#18887)

11 июн 2020, 15:38

11 июн 2020, 15:38783654b

' Visual Basic .NET Document
Option Strict On

<Assembly: CLSCompliant(True)>
Module Example

    Public Sub Main()
        UseStringFormat()
        Console.WriteLine()
        UseStringConcat()
        Console.WriteLine()
        UseStringJoin()
        Console.WriteLine()
        UseStringInsert()
        Console.WriteLine()
        UseStringCopyTo()
    End Sub

    Private Sub UseStringFormat()
        ' <Snippet1>
        Dim numberOfFleas As Integer = 12
        Dim miscInfo As String = String.Format("Your dog has {0} fleas. " & _
                                               "It is time to get a flea collar. " & _
                                               "The current universal date is: {1:u}.", _
                                               numberOfFleas, Date.Now)
        Console.WriteLine(miscInfo)
        ' The example displays the following output:
        '       Your dog has 12 fleas. It is time to get a flea collar. 
        '       The current universal date is: 2008-03-28 13:31:40Z.
        ' </Snippet1>
    End Sub

    Private Sub UseStringConcat()
        ' <Snippet2>
        Dim helloString1 As String = "Hello"
        Dim helloString2 As String = "World!"
        Console.WriteLine(String.Concat(helloString1, " "c, helloString2))
        ' The example displays the following output:
        '      Hello World!
        ' </Snippet2>      
    End Sub

    Private Sub UseStringJoin()
        ' <Snippet3>
        Dim words() As String = {"Hello", "and", "welcome", "to", "my", "world!"}
        Console.WriteLine(String.Join(" ", words))
        ' The example displays the following output:
        '      Hello and welcome to my world!
        ' </Snippet3>      
    End Sub

    Private Sub UseStringInsert()
        ' <Snippet4>
        Dim sentence As String = "Once a time."
        Console.WriteLine(sentence.Insert(4, " upon"))
        ' The example displays the following output:
        '      Once upon a time.
        ' </Snippet4>      
    End Sub

    Private Sub UseStringCopyTo()
        ' <Snippet5>
        Dim greeting As String = "Hello World!"
        Dim charArray() As Char = {"W"c, "h"c, "e"c, "r"c, "e"c}
        Console.WriteLine("The original character array: {0}", New String(charArray))
        greeting.CopyTo(0, charArray, 0, 5)
        Console.WriteLine("The new character array: {0}", New String(charArray))
        ' The example displays the following output:
        '       The original character array: Where
        '       The new character array: Hello
        ' </Snippet5>      
    End Sub
End Module