/// <summary>
/// Measure the layout size required to arrange all elements.
/// </summary>
/// <param name="availableSize">Available size that can be given to elements.</param>
/// <returns>Size the layout determines it needs based on child element sizes.</returns>
protected override Size MeasureOverride(Size availableSize)
{
// The collection of children might have changed, so resync
ResyncStateDictionary();
// Use default layout so that any children not handled by the layout definitions is still processed
_defaultLayout.MeasureChildren(string.Empty, this, _stateDict, Children, availableSize);
// Ask the layout strategy to measure the elements for us
return(Layouts.MeasureChildren(LayoutId, this, _stateDict, Children, availableSize));
}
/// <summary>
/// Measure the layout size required to arrange all elements.
/// </summary>
/// <param name="availableSize">Available size that can be given to elements.</param>
/// <returns>Size the layout determines it needs based on child element sizes.</returns>
protected override Size MeasureOverride(Size availableSize)
{
// To ensure correct operation when transitioning between being an items host and
// not being an items host (and vica versa) we need to ask for the InternalChildren
// property. The base class implementation will automatically handle creating the
// item container generator and pulling it down again.
int c = InternalChildren.Count;
// Delegate calculation to the panel layout instance
if (_children != null)
{
// Use default layout so that any children not handled by the layout definitions is still processed
_defaultLayout.MeasureChildren(string.Empty, this, _stateDict, _children.CompoundElements, availableSize);
// Ask the layout strategy to measure the elements for us
return(Layouts.MeasureChildren(LayoutId, this, _stateDict, _children.CompoundElements, availableSize));
}
else
{
return(new Size());
}
}
