this.radRichTextBox.PreviewEditorKeyDown += (sender, args) =>
{
if (Keyboard.Modifiers.HasFlag(ModifierKeys.Alt) && Keyboard.Modifiers.HasFlag(ModifierKeys.Control) && args.Key == Key.E)
{
args.SuppressDefaultAction = true;
args.OriginalArgs.Handled = true;
this.radRichTextBox.Insert("€");
}
};
RichTextBox: The RepeatButtonStyle is not merged in the RichTextBox Xaml file when declaring the styles on a window level.
Workaround: Add the dictionaries to the App.xaml file instead of the Window file.