PointHitTestResult Classe

Definição

public ref class PointHitTestResult : System::Windows::Media::HitTestResult

public class PointHitTestResult : System.Windows.Media.HitTestResult

type PointHitTestResult = class
    inherit HitTestResult

Public Class PointHitTestResult
Inherits HitTestResult

Herança

Object

HitTestResult

PointHitTestResult

Derivado

System.Windows.Media.AdornerHitTestResult

Exemplos

O exemplo a seguir mostra como recuperar o PointHitTestResult valor retornado do HitTest método .

// Respond to the left mouse button down event by initiating the hit test.
private void OnMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
    // Retrieve the coordinate of the mouse position.
    Point pt = e.GetPosition((UIElement)sender);

    // Perform the hit test against a given portion of the visual object tree.
    HitTestResult result = VisualTreeHelper.HitTest(myCanvas, pt);

    if (result != null)
    {
        // Perform action on hit visual object.
    }
}

' Respond to the left mouse button down event by initiating the hit test.
Private Overloads Sub OnMouseLeftButtonDown(ByVal sender As Object, ByVal e As MouseButtonEventArgs)
    ' Retrieve the coordinate of the mouse position.
    Dim pt As Point = e.GetPosition(CType(sender, UIElement))

    ' Perform the hit test against a given portion of the visual object tree.
    Dim result As HitTestResult = VisualTreeHelper.HitTest(myCanvas, pt)

    If result IsNot Nothing Then
        ' Perform action on hit visual object.
    End If
End Sub

Comentários

Você também pode executar um teste de clique em um objeto visual usando um Geometry como um parâmetro de teste de clique e retornando o resultado como um GeometryHitTestResult. Para obter mais informações, consulte How to: Hit Test Using Geometry as a Parameter.

Construtores

Propriedades

Métodos

Aplica-se a