TextBox.SelectionChanging Event
Definition
Important
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Occurs when the text selection starts to change.
// Register
event_token SelectionChanging(TypedEventHandler<TextBox, TextBoxSelectionChangingEventArgs const&> const& handler) const;
// Revoke with event_token
void SelectionChanging(event_token const* cookie) const;
// Revoke with event_revoker
TextBox::SelectionChanging_revoker SelectionChanging(auto_revoke_t, TypedEventHandler<TextBox, TextBoxSelectionChangingEventArgs const&> const& handler) const;public event TypedEventHandler<TextBox,TextBoxSelectionChangingEventArgs> SelectionChanging;function onSelectionChanging(eventArgs) { /* Your code */ }
textBox.addEventListener("selectionchanging", onSelectionChanging);
textBox.removeEventListener("selectionchanging", onSelectionChanging);
- or -
textBox.onselectionchanging = onSelectionChanging;Public Custom Event SelectionChanging As TypedEventHandler(Of TextBox, TextBoxSelectionChangingEventArgs) <TextBox SelectionChanging="eventhandler"/>
Event Type
Windows requirements
| Device family |
Windows 10, version 1809 (introduced in 10.0.17763.0)
|
| API contract |
Windows.Foundation.UniversalApiContract (introduced in v7.0)
|