Event args for SelectionChanged. They carry no text: read SelectedText when it is needed.
public sealed class MarkdownSelectionChangedEventArgs(MarkdownViewer source, bool isSelecting) : RoutedEventArgs
kind:method, kind:property, kind:ctor. Press Esc to clear.MarkdownSelectionChangedEventArgs(MarkdownViewer, Boolean)Event args for SelectionChanged. They carry no text: read SelectedText when it is needed.IsSelectingWhether the user is still dragging the end of the selection. When the drag ends, the event is raised once more with false, so a handler that only needs the final selection can skip the events where this is true.