public static bool IsMeasureArrangeValid(this FrameworkElement thisObject)
{
if (thisObject == null)
{
throw new ArgumentNullException("thisObject");
}
if (thisObject.ActualHeight > 0.0 && thisObject.ActualWidth > 0.0)
{
return(FrameworkElementExtensions.IsInVisualTree(thisObject));
}
return(false);
}
public static void InvalidateSubTree(this FrameworkElement thisObject)
{
if (thisObject == null)
{
throw new ArgumentNullException("thisObject");
}
thisObject.InvalidateArrange();
thisObject.InvalidateMeasure();
int childrenCount = VisualTreeHelper.GetChildrenCount((DependencyObject)thisObject);
for (int childIndex = 0; childIndex < childrenCount; ++childIndex)
{
FrameworkElementExtensions.InvalidateSubTree((FrameworkElement)VisualTreeHelper.GetChild((DependencyObject)thisObject, childIndex));
}
}
internal static MatrixTransform GetAnimationTransform(FrameworkElement element)
{
Matrix matrix1 = new Matrix();
Transform thisObject1 = element.TransformToVisual((Visual)Window.GetWindow((DependencyObject)element)) as Transform;
if (thisObject1 != null)
{
matrix1 = MatrixHelper.Multiply(matrix1, TransformExtensions.GetMatrix(thisObject1));
}
Transform thisObject2 = FrameworkElementExtensions.RenderTransformToAncestor(element, (DependencyObject)null).Inverse as Transform;
if (thisObject2 != null)
{
matrix1 = MatrixHelper.Multiply(matrix1, TransformExtensions.GetMatrix(thisObject2));
}
return(new MatrixTransform()
{
Matrix = matrix1
});
}
public static Transform TrackableRenderTransformToAncestor(this FrameworkElement element, DependencyObject parent)
{
return(FrameworkElementExtensions.TransformToAncestorHelper(element, parent, TrackableRenderTransform.TransformProperty));
}
