Walks up the visual tree starting with the specified DependencyObject, looking for a UIElement which is a child of the Canvas. If a suitable element is not found, null is returned. If the 'depObj' object is a UIElement in the Canvas's Children collection, it will be returned.

'Declaration
 
Public Function FindCanvasChild( _
   ByVal depObj As DependencyObject _
) As FrameworkElement

'Usage
 
Dim instance As ElementCanvas
Dim depObj As DependencyObject
Dim value As FrameworkElement
 
value = instance.FindCanvasChild(depObj)

public FrameworkElement FindCanvasChild( 
   DependencyObject depObj
)