protected override SizeF MeasureItems(SizeF availableSize)
{
SizeF desiredSize = SizeF.Empty;
this.layoutInfo = this.CreateLayoutInfo(availableSize);
StackViewPosition stackPosition = this.layoutInfo.position;
switch (stackPosition)
{
case StackViewPosition.Bottom:
case StackViewPosition.Top:
this.ApplyItemMetricsHorizontal();
break;
case StackViewPosition.Left:
case StackViewPosition.Right:
this.ApplyItemMetricsVertical();
break;
}
this.MeasureItemsCore();
if (stackPosition == StackViewPosition.Top || stackPosition == StackViewPosition.Bottom)
{
availableSize.Height -= layoutInfo.layoutLength;
desiredSize.Height = layoutInfo.layoutLength;
desiredSize.Width = layoutInfo.maxWidth;
}
else
{
availableSize.Width -= layoutInfo.layoutLength;
desiredSize.Width = layoutInfo.layoutLength;
desiredSize.Height = layoutInfo.maxHeight;
}
SizeF contentAreaDesiredSize = MeasureContentArea(ref availableSize);
if (stackPosition == StackViewPosition.Top || stackPosition == StackViewPosition.Bottom)
{
desiredSize.Height += contentAreaDesiredSize.Height;
desiredSize.Width = Math.Max(desiredSize.Width, contentAreaDesiredSize.Width);
}
else
{
desiredSize.Width += contentAreaDesiredSize.Width;
desiredSize.Height = Math.Max(desiredSize.Height, contentAreaDesiredSize.Height);
}
return(desiredSize);
}
protected override SizeF MeasureItems(SizeF availableSize)
{
SizeF empty = SizeF.Empty;
this.layoutInfo = this.CreateLayoutInfo(availableSize);
StackViewPosition position = this.layoutInfo.position;
switch (position)
{
case StackViewPosition.Left:
case StackViewPosition.Right:
this.ApplyItemMetricsVertical();
break;
case StackViewPosition.Top:
case StackViewPosition.Bottom:
this.ApplyItemMetricsHorizontal();
break;
}
this.MeasureItemsCore();
if (position == StackViewPosition.Top || position == StackViewPosition.Bottom)
{
availableSize.Height -= this.layoutInfo.layoutLength;
empty.Height = this.layoutInfo.layoutLength;
empty.Width = this.layoutInfo.maxWidth;
}
else
{
availableSize.Width -= this.layoutInfo.layoutLength;
empty.Width = this.layoutInfo.layoutLength;
empty.Height = this.layoutInfo.maxHeight;
}
SizeF sizeF = this.MeasureContentArea(ref availableSize);
if (position == StackViewPosition.Top || position == StackViewPosition.Bottom)
{
empty.Height += sizeF.Height;
empty.Width = Math.Max(empty.Width, sizeF.Width);
}
else
{
empty.Width += sizeF.Width;
empty.Height = Math.Max(empty.Height, sizeF.Height);
}
return(empty);
}
