IncrementalLassoHitTester.SelectionChanged Evento
Definição
Importante
Algumas informações dizem respeito a um produto pré-lançado que pode ser substancialmente modificado antes de ser lançado. A Microsoft não faz garantias, de forma expressa ou implícita, em relação à informação aqui apresentada.
Ocorre quando o caminho do laço seleciona ou desmarca uma tinta Stroke.
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
Exemplos
O exemplo seguinte demonstra como selecionar dinamicamente traços num controlo personalizado. Para a amostra completa, veja Como: Selecionar Tinta a partir de um Controlo 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