public void ToggleStrikethrough()
{
TextRange range = new TextRange(Selection.Start, Selection.End);
TextDecorationCollection t = (TextDecorationCollection)Selection.GetPropertyValue(Inline.TextDecorationsProperty);
if (t == null || !t.Equals(TextDecorations.Strikethrough))
{
t = TextDecorations.Strikethrough;
}
else
{
t = new TextDecorationCollection();
}
range.ApplyPropertyValue(Inline.TextDecorationsProperty, t);
}
private void StrikeThroughButton_Click(object sender, RoutedEventArgs e)
{
TextRange range = new TextRange(richTextBox.Selection.Start, richTextBox.Selection.End);
TextDecorationCollection tdc = (TextDecorationCollection)richTextBox.Selection.GetPropertyValue(Inline.TextDecorationsProperty);
if (tdc == null || !tdc.Equals(TextDecorations.Strikethrough))
{
tdc = TextDecorations.Strikethrough;
}
else
{
tdc = null;
}
range.ApplyPropertyValue(Inline.TextDecorationsProperty, tdc);
}
//
// ToolStripButton Strikeout wurde gedrückt
// (läßt sich nicht durch Command in XAML abarbeiten)
//
private void ToolStripButtonStrikeout_Click(object sender, System.Windows.RoutedEventArgs e)
{
// TODO: Ereignishandlerimplementierung hier einfügen.
TextRange range = new TextRange(RichTextControl.Selection.Start, RichTextControl.Selection.End);
TextDecorationCollection tdc = (TextDecorationCollection)RichTextControl.Selection.GetPropertyValue(Inline.TextDecorationsProperty);
if (tdc == null || !tdc.Equals(TextDecorations.Strikethrough))
{
tdc = TextDecorations.Strikethrough;
}
else
{
tdc = new TextDecorationCollection();
}
range.ApplyPropertyValue(Inline.TextDecorationsProperty, tdc);
}
//
// ToolStripButton Strikeout wurde gedrückt
// (läßt sich nicht durch Command in XAML abarbeiten)
//
private void ToolStripButtonStrikeout_Click(object sender, System.Windows.RoutedEventArgs e)
{
try
{
// TODO: Ereignishandlerimplementierung hier einfügen.
TextRange range = new TextRange(RichTextControl.Selection.Start, RichTextControl.Selection.End);
TextDecorationCollection tdc = (TextDecorationCollection)RichTextControl.Selection.GetPropertyValue(Inline.TextDecorationsProperty);
if (tdc == null || !tdc.Equals(TextDecorations.Strikethrough))
{
tdc = TextDecorations.Strikethrough;
}
else
{
tdc = new TextDecorationCollection();
}
range.ApplyPropertyValue(Inline.TextDecorationsProperty, tdc);
}
catch (Exception ex) { MessageBox.Show(ex.Message + "\r\n\r\n" + ex.StackTrace, ex.GetType().Name, MessageBoxButton.OK, MessageBoxImage.Error); }
}
private static void EditingCommandsEx_ToggleStrikethrough_Executed(Object sender, ExecutedRoutedEventArgs e)
{
var editor = sender as RichTextBox;
if (e.Handled = editor != null)
{
RichTextBoxToolBarHelper.ToggleSelectionFormattingProperty <TextDecorationCollection>(editor.Selection,
Inline.TextDecorationsProperty,
TextDecorations.Strikethrough, null,
(item1, item2) => TextDecorationCollection.Equals(item1, item2));
}
}
