Compartir a través de


IncrementalLassoHitTester.SelectionChanged Evento

Definición

Se produce cuando el trazado de lazo selecciona o anula la selección de un Stroke de entrada de lápiz.

public:
 event System::Windows::Ink::LassoSelectionChangedEventHandler ^ SelectionChanged;
public event System.Windows.Ink.LassoSelectionChangedEventHandler SelectionChanged;
member this.SelectionChanged : System.Windows.Ink.LassoSelectionChangedEventHandler 
Public Custom Event SelectionChanged As LassoSelectionChangedEventHandler 
Public Event SelectionChanged As LassoSelectionChangedEventHandler 

Tipo de evento

LassoSelectionChangedEventHandler

Ejemplos

En el ejemplo siguiente se muestra cómo seleccionar dinámicamente trazos en un control personalizado. Para obtener todo el ejemplo, consulte Cómo: Seleccionar entrada manuscrita de un control personalizado.

void selectionTester_SelectionChanged(object sender,
    LassoSelectionChangedEventArgs args)
{
    // Change the color of all selected strokes to red.
    foreach (Stroke selectedStroke in args.SelectedStrokes)
    {
        selectedStroke.DrawingAttributes.Color = Colors.Red;
        selectedStrokes.Add(selectedStroke);
    }

    // Change the color of all unselected strokes to 
    // their original color.
    foreach (Stroke unselectedStroke in args.DeselectedStrokes)
    {
        unselectedStroke.DrawingAttributes.Color = inkDA.Color;
        selectedStrokes.Remove(unselectedStroke);
    }
}
Private Sub selectionTester_SelectionChanged(ByVal sender As Object, _
    ByVal args As LassoSelectionChangedEventArgs)

    ' Change the color of all selected strokes to red.
    For Each selectedStroke As Stroke In args.SelectedStrokes
        selectedStroke.DrawingAttributes.Color = Colors.Red
        selectedStrokes.Add(selectedStroke)
    Next selectedStroke

    ' Change the color of all unselected strokes to 
    ' their original color.
    For Each unselectedStroke As Stroke In args.DeselectedStrokes
        unselectedStroke.DrawingAttributes.Color = inkDA.Color
        selectedStrokes.Remove(unselectedStroke)
    Next unselectedStroke

End Sub

Se aplica a