PointHitTestParameters.HitPoint 屬性

定義

命名空間:

System.Windows.Media

組件:

PresentationCore.dll

取得要進行點擊測試的 Point。

public:
 property System::Windows::Point HitPoint { System::Windows::Point get(); };

public System.Windows.Point HitPoint { get; }

member this.HitPoint : System.Windows.Point

Public ReadOnly Property HitPoint As Point

屬性值

Point

要進行點擊測試的 Point。

範例

下列範例示範如何在使用者定義的視覺物件中覆寫預設點擊測試支援。 在此情況下， HitPoint 只會傳回 值做為 的 PointHitTestResult 一部分。

// Override default hit test support in visual object.
protected override HitTestResult HitTestCore(PointHitTestParameters hitTestParameters)
{
    Point pt = hitTestParameters.HitPoint;

    // Perform custom actions during the hit test processing,
    // which may include verifying that the point actually
    // falls within the rendered content of the visual.

    // Return hit on bounding rectangle of visual object.
    return new PointHitTestResult(this, pt);
}

' Override default hit test support in visual object.
Protected Overrides Overloads Function HitTestCore(ByVal hitTestParameters As PointHitTestParameters) As HitTestResult
    Dim pt As Point = hitTestParameters.HitPoint

    ' Perform custom actions during the hit test processing,
    ' which may include verifying that the point actually
    ' falls within the rendered content of the visual.

    ' Return hit on bounding rectangle of visual object.
    Return New PointHitTestResult(Me, pt)
End Function