private static void IsReadOnlyWithNavigationPropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e) { RichTextBoxEx richTextBoxEx = d as RichTextBoxEx; if (richTextBoxEx != null && richTextBoxEx.IsReadOnlyWithNavigation) { richTextBoxEx.IsReadOnly = false; } }
private static void ExecutedCopyRoutedCommand(object sender, ExecutedRoutedEventArgs e) { RichTextBoxEx richTextBoxEx = sender as RichTextBoxEx; if (richTextBoxEx != null) { richTextBoxEx.Copy(); e.Handled = true; } }
private static void ExecutedPasteRoutedCommand(object sender, ExecutedRoutedEventArgs e) { RichTextBoxEx richTextBoxEx = sender as RichTextBoxEx; if (richTextBoxEx != null && !richTextBoxEx.IsReadOnly) { if (richTextBoxEx.IsReadOnlyWithNavigation) { return; } richTextBoxEx.Paste(); } }
private static void ExecutedCutRoutedCommand(object sender, ExecutedRoutedEventArgs e) { RichTextBoxEx richTextBoxEx = sender as RichTextBoxEx; if (richTextBoxEx != null) { if (!richTextBoxEx.IsReadOnly && !richTextBoxEx.IsReadOnlyWithNavigation) { richTextBoxEx.Cut(); } e.Handled = true; } }
private static void CanExecuteCopyRoutedCommand(object sender, CanExecuteRoutedEventArgs e) { RichTextBoxEx richTextBoxEx = sender as RichTextBoxEx; if (richTextBoxEx != null) { if (richTextBoxEx.IsReadOnly || richTextBoxEx.IsReadOnlyWithNavigation) { e.CanExecute = !richTextBoxEx.Selection.IsEmpty; return; } e.CanExecute = !richTextBoxEx.Selection.IsEmpty; } }