FindElementUpFrom(FrameworkElement,Func<FrameworkElement,Nullable<Boolean>>,Predicate<FrameworkElement>) Method

When this predicate and are both true, return that element, When this predicate is false, return null. Otherwise continue up the parent chain. Stop going up the visual parent chain when reaching the Northwoods.GoXam.Part.

Search up the chain of visual parent elements starting with the given element to find one that has true and true.

Syntax

protected virtual FrameworkElement FindElementUpFrom( 
   FrameworkElement elt,
   Func<FrameworkElement,Nullable<bool>> pred,
   Predicate<FrameworkElement> valid
)

Parameters

elt: a FrameworkElement
pred: When this predicate and valid are both true, return that element, When this predicate is false, return null. Otherwise continue up the parent chain. Stop going up the visual parent chain when reaching the Northwoods.GoXam.Part.
valid: a predicate that must be true for an element for it to be returned by this method

Reference

DiagramTool Class
DiagramTool Members
Overload List