TextBlock.SelectionChanged Event


Occurs when the text selection has changed.

// Register
event_token SelectionChanged(RoutedEventHandler const& handler) const;

// Revoke with event_token
void SelectionChanged(event_token const* cookie) const;

// Revoke with event_revoker
TextBlock::SelectionChanged_revoker SelectionChanged(auto_revoke_t, RoutedEventHandler const& handler) const;
public event RoutedEventHandler SelectionChanged;
function onSelectionChanged(eventArgs) { /* Your code */ }
textBlock.addEventListener("selectionchanged", onSelectionChanged);
textBlock.removeEventListener("selectionchanged", onSelectionChanged);
- or -
textBlock.onselectionchanged = onSelectionChanged;
Public Custom Event SelectionChanged As RoutedEventHandler 
<TextBlock SelectionChanged="eventhandler"/>

Event Type




If using a keyboard for text selection within a TextBlock, the user must first activate Caret Browsing (with the app in the foreground, press F7).

Applies to