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)); }