protected override Size MeasureOverride(Size availableSize)
{
_childGraph.Clear();
foreach (Layoutable child in Children)
{
if (child == null)
{
continue;
}
var node = _childGraph.AddNode(child);
node.AlignLeftWithNode = _childGraph.AddLink(node, GetDependencyElement(AlignLeftWithProperty, child));
node.AlignTopWithNode = _childGraph.AddLink(node, GetDependencyElement(AlignTopWithProperty, child));
node.AlignRightWithNode = _childGraph.AddLink(node, GetDependencyElement(AlignRightWithProperty, child));
node.AlignBottomWithNode = _childGraph.AddLink(node, GetDependencyElement(AlignBottomWithProperty, child));
node.LeftOfNode = _childGraph.AddLink(node, GetDependencyElement(LeftOfProperty, child));
node.AboveNode = _childGraph.AddLink(node, GetDependencyElement(AboveProperty, child));
node.RightOfNode = _childGraph.AddLink(node, GetDependencyElement(RightOfProperty, child));
node.BelowNode = _childGraph.AddLink(node, GetDependencyElement(BelowProperty, child));
node.AlignHorizontalCenterWith = _childGraph.AddLink(node, GetDependencyElement(AlignHorizontalCenterWithProperty, child));
node.AlignVerticalCenterWith = _childGraph.AddLink(node, GetDependencyElement(AlignVerticalCenterWithProperty, child));
}
_childGraph.Measure(availableSize);
_childGraph.Reset(false);
var boundingSize = _childGraph.GetBoundingSize(Width.IsNaN(), Height.IsNaN());
_childGraph.Reset();
_childGraph.Measure(boundingSize);
return(boundingSize);
}
protected override Size MeasureOverride(Size availableSize)
{
#region Calc DesiredSize
_childGraph.Clear();
foreach (UIElement child in InternalChildren)
{
if (child == null)
{
continue;
}
var node = _childGraph.AddNode(child);
node.AlignLeftWithNode = _childGraph.AddLink(node, GetAlignLeftWith(child));
node.AlignTopWithNode = _childGraph.AddLink(node, GetAlignTopWith(child));
node.AlignRightWithNode = _childGraph.AddLink(node, GetAlignRightWith(child));
node.AlignBottomWithNode = _childGraph.AddLink(node, GetAlignBottomWith(child));
node.LeftOfNode = _childGraph.AddLink(node, GetLeftOf(child));
node.AboveNode = _childGraph.AddLink(node, GetAbove(child));
node.RightOfNode = _childGraph.AddLink(node, GetRightOf(child));
node.BelowNode = _childGraph.AddLink(node, GetBelow(child));
node.AlignHorizontalCenterWith = _childGraph.AddLink(node, GetAlignHorizontalCenterWith(child));
node.AlignVerticalCenterWith = _childGraph.AddLink(node, GetAlignVerticalCenterWith(child));
}
_childGraph.Measure(availableSize);
#endregion
#region Calc AvailableSize
_childGraph.Reset(false);
var calcWidth = Width.IsNaN() && HorizontalAlignment != HorizontalAlignment.Stretch;
var calcHeight = Height.IsNaN() && VerticalAlignment != VerticalAlignment.Stretch;
var boundingSize = _childGraph.GetBoundingSize(calcWidth, calcHeight);
_childGraph.Reset();
_childGraph.Measure(boundingSize);
return(boundingSize);
#endregion
}
