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main
samples/snippets/visualbasic/VS_Snippets_Wpf/StringReaderWriter/MainWindow.xaml.vb
29 строк
980 B
Andy De George
Move snippets from samples repo to this repo (#17296)
03 мар 2020, 19:23
Не верифицирован
03 мар 2020, 19:23
dbbeda1
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Imports System.IO Imports System.Text ''' <summary> ''' Interaction logic for MainWindow.xaml ''' </summary> Partial Public Class MainWindow Inherits Window Public Sub New() InitializeComponent() End Sub Private Async Sub Window_Loaded(sender As Object, e As RoutedEventArgs) Dim charsRead As Char() = New Char(UserInput.Text.Length) {} Using reader As StringReader = New StringReader(UserInput.Text) Await reader.ReadAsync(charsRead, 0, UserInput.Text.Length) End Using Dim reformattedText As StringBuilder = New StringBuilder() Using writer As StringWriter = New StringWriter(reformattedText) For Each c As Char In charsRead If Char.IsLetter(c) Or Char.IsWhiteSpace(c) Then Await writer.WriteLineAsync(Char.ToLower(c)) End If Next End Using Result.Text = reformattedText.ToString() End Sub End Class