private void RemovePropertyChanged(DependencyObjectType type, DependencyPropertyChangedEventHandler handler)
{
if (type != doType && !type.IsSubclassOf(doType))
{
throw new ArgumentException();
}
handlers.RemoveHandler(type, handler);
}
public void IsInstanceOfType()
{
DependencyObjectType t = DependencyObjectType.FromSystemType(typeof(TestDepObj));
DependencyObjectType t2 = DependencyObjectType.FromSystemType(typeof(TestSubclass));
Assert.IsTrue(t.IsInstanceOfType(new TestSubclass()));
Assert.IsTrue(t2.IsSubclassOf(t));
Assert.IsFalse(t.IsSubclassOf(t2));
}
// Token: 0x06002EEF RID: 12015 RVA: 0x000D3ED4 File Offset: 0x000D20D4
private bool _HitTest(Point pt, out UIElement e)
{
e = null;
HitTestResult hitTestResult = VisualTreeHelper.HitTest(this.FixedPage, pt);
for (DependencyObject dependencyObject = (hitTestResult != null) ? hitTestResult.VisualHit : null; dependencyObject != null; dependencyObject = VisualTreeHelper.GetParent(dependencyObject))
{
DependencyObjectType dependencyObjectType = dependencyObject.DependencyObjectType;
if (dependencyObjectType == FixedTextView.UIElementType || dependencyObjectType.IsSubclassOf(FixedTextView.UIElementType))
{
e = (UIElement)dependencyObject;
return(true);
}
}
return(false);
}
//------------------------------------------------------
//
// Private Methods
//
//------------------------------------------------------
#region Private Methods
// hit testing to find the inner most UIElement that was hit
// as well as the containing fixed page.
private bool _HitTest(Point pt, out UIElement e)
{
e = null;
HitTestResult result = VisualTreeHelper.HitTest(this.FixedPage, pt);
DependencyObject v = (result != null) ? result.VisualHit : null;
while (v != null)
{
DependencyObjectType t = v.DependencyObjectType;
if (t == UIElementType || t.IsSubclassOf(UIElementType))
{
e = (UIElement)v;
return(true);
}
v = VisualTreeHelper.GetParent(v);
}
return(false);
}
