IncrementalStrokeHitTester.StrokeHit Událost

Definice

Nastane, když IncrementalStrokeHitTester protíná rukopis Stroke.

public:
 event System::Windows::Ink::StrokeHitEventHandler ^ StrokeHit;
public event System.Windows.Ink.StrokeHitEventHandler StrokeHit;
member this.StrokeHit : System.Windows.Ink.StrokeHitEventHandler 
Public Custom Event StrokeHit As StrokeHitEventHandler 
Public Event StrokeHit As StrokeHitEventHandler 

Event Type

StrokeHitEventHandler

Příklady

Následující příklad ukazuje, jak dynamicky vymazat část souboru Stroke. Pokud chcete vytvořit ovládací prvek, který umožňuje uživateli vymazat rukopis, přečtěte si téma Postupy: Vymazání rukopisu na vlastním ovládacím prvku.

// When the stylus intersects a stroke, erase that part of
// the stroke.  When the stylus dissects a stoke, the 
// Stroke.Erase method returns a StrokeCollection that contains
// the two new strokes.
void eraseTester_StrokeHit(object sender,
    StrokeHitEventArgs args)
{
    StrokeCollection eraseResult =
        args.GetPointEraseResults();
    StrokeCollection strokesToReplace = new StrokeCollection();
    strokesToReplace.Add(args.HitStroke);
   
    // Replace the old stroke with the new one.
    if (eraseResult.Count > 0)
    {
        presenter.Strokes.Replace(strokesToReplace, eraseResult);
    }
    else
    {
        presenter.Strokes.Remove(strokesToReplace);
    }
}
' When the stylus intersects a stroke, erase that part of
' the stroke.  When the stylus dissects a stoke, the 
' Stroke.Erase method returns a StrokeCollection that contains
' the two new strokes.
Private Sub eraseTester_StrokeHit(ByVal sender As Object, _
        ByVal args As StrokeHitEventArgs)

    Dim eraseResult As StrokeCollection = _
        args.GetPointEraseResults()
    Dim strokesToReplace As New StrokeCollection()
    strokesToReplace.Add(args.HitStroke)

    ' Replace the old stroke with the new one.
    If eraseResult.Count > 0 Then
        presenter.Strokes.Replace(strokesToReplace, eraseResult)
    Else
        presenter.Strokes.Remove(strokesToReplace)
    End If

End Sub

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