ContainerVisual.HitTest Method (Point)

Returns the top-most visual object of a hit test by specifying a Point.

Namespace:  System.Windows.Media
Assembly:  PresentationCore (in PresentationCore.dll)

public HitTestResult HitTest(
	Point point
)

Parameters

point
Type: System.Windows.Point

The point value to hit test.

Return Value

Type: System.Windows.Media.HitTestResult
The hit test result of the visual returned as a HitTestResult type.

The VisualHit property of the return value represents the Visual object that was hit.

The following example shows how to retrieve the HitTestResult return value from the HitTest method.

// Capture the mouse event and hit test the coordinate point value against 
// the child visual objects. 
void MyVisualHost_MouseLeftButtonUp(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
    // Retrieve the coordinates of the mouse button event.
    Point pt = e.GetPosition((UIElement)sender);

    // Initiate the hit test on the ContainerVisual's visual tree.
    HitTestResult result = _containerVisual.HitTest(pt);

    // Perform the action on the hit visual. 
    if (result.VisualHit != null)
    {
        ProcessHitVisual((Visual)result.VisualHit);
    }
}

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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