33 lines
904 B
C#
33 lines
904 B
C#
using System.Windows;
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namespace WPF控件_13_TextBox;
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/// <summary>
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/// Interaction logic for MainWindow.xaml
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/// </summary>
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public partial class MainWindow : Window
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{
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public MainWindow()
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{
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InitializeComponent();
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}
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private void TextBox_OnLoaded(object sender, RoutedEventArgs e)
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{
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TextBox.Text =
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"TextWrapping=\"Wrap\" 是否换行 \n" +
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" AcceptsReturn=\"True\" 收否回车键换行 \n" +
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" AutoWordSelection=\"True\" 自动选择文本单词 \n " +
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"IsUndoEnabled=\"False\" 是否开启Undo";
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}
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private void UndoButton_OnClick(object sender, RoutedEventArgs e)
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{
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var undo = TextBox.Undo();
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Console.WriteLine($"undo：{undo}");
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var textBoxCanUndo = TextBox.CanUndo;
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var canUndo = $"TextBox can undo: {textBoxCanUndo}";
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Console.WriteLine(canUndo);
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}
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} |