public static T FindGridElement <T>(DependencyObject obj, bool failIfNothingFound = true) where T : DependencyObject
{
ObjectChecker <T> checker = new ObjectChecker <T>();
DObjectChecker.CheckSubTree(obj, checker, failIfNothingFound);
return((T)checker.Element);
}
public static void CheckSubTree(DependencyObject dObject, DObjectChecker checker, bool failIfNothingFound)
{
VisualTreeEnumerator visualTreeEnumerator = new VisualTreeEnumerator(dObject);
DependencyObjectCheckerEnumerator dObjectCheckerEnumerator = new DependencyObjectCheckerEnumerator(checker);
dObjectCheckerEnumerator.MoveNext();
while (visualTreeEnumerator.MoveNext())
{
if (dObjectCheckerEnumerator.Current.CheckElement(visualTreeEnumerator.Current, visualTreeEnumerator.Level))
{
DObjectChecker parent = (DObjectChecker)dObjectCheckerEnumerator.CurrentParent;
if (parent != null)
{
Assert.IsTrue(IsParent(dObjectCheckerEnumerator.Current.Element, parent.Element));
}
if (!dObjectCheckerEnumerator.MoveNext())
{
checker.CheckLevels();
return;
}
}
}
if (failIfNothingFound)
{
Assert.Fail("Element not found: " + dObjectCheckerEnumerator.Current);
}
}
public static void CheckNoSubTree(DependencyObject dObject, DObjectChecker checker)
{
try {
CheckSubTree(dObject, checker);
} catch {
return;
}
Assert.Fail();
}
public static T FindGridElement <T>(DependencyObject obj, DependencyProperty property, object value,
bool exactType = false, bool onlyVisibleChildren = false, bool failIfNothingFound = true)
where T : DependencyObject
{
ObjectChecker <T> checker
= new ObjectChecker <T>(new DPropertyInfo(property, value), exactType, onlyVisibleChildren);
DObjectChecker.CheckSubTree(obj, checker, failIfNothingFound);
return((T)checker.Element);
}
public static void CheckSubTree(DependencyObject dObject, DObjectChecker checker)
{
CheckSubTree(dObject, checker, true);
}
public DependencyObjectCheckerEnumerator(DObjectChecker checker)
: base(checker)
{
}
public DObjectChecker(Type dObjectType, DObjectChecker child)
: this(dObjectType, new DObjectChecker[] { child })
{
}
