|
public MeasureChildren ( string layoutId, |
||
| layoutId | string | Identifier of the layout to be used. |
| metaPanel | Reference to owning panel instance. | |
| stateDict | MetaElementStateDict | Dictionary of per-element state. |
| elements | ICollection | Collection of elements to be measured. |
| availableSize | Available size that can be given to elements. | |
| Résultat | ||
public override Size MeasureChildren(string layoutId,
MetaPanelBase metaPanel,
MetaElementStateDict stateDict,
ICollection elements,
Size availableSize)
{
// Measure each element in turn
_count = 0;
Size maxSize = new Size();
foreach (UIElement element in elements)
if (element != null)
{
element.Measure(Utility.SizeInfinity);
// We ignore items being removed
if (stateDict[element].Status != MetaElementStatus.Removing)
{
// We ignore items that are collapsed
if (element.Visibility != Visibility.Collapsed)
{
// Find the widest and tallest element
maxSize.Width = Math.Max(maxSize.Width, element.DesiredSize.Width);
maxSize.Height = Math.Max(maxSize.Height, element.DesiredSize.Height);
// Count number of valid elements
_count++;
}
}
}
// Max length is the diagonal length of biggest element
_maxLength = Math.Sqrt((maxSize.Width * maxSize.Width) + (maxSize.Height * maxSize.Height));
// Always use the provided size
return availableSize;
}