private static Size GetAnchorPreferredSize(IArrangedElement container)
{
Size empty = Size.Empty;
for (int i = container.Children.Count - 1; i >= 0; i--)
{
IArrangedElement element = container.Children[i];
if (!CommonProperties.GetNeedsDockLayout(element) && element.ParticipatesInLayout)
{
AnchorStyles anchor = GetAnchor(element);
Padding margin = CommonProperties.GetMargin(element);
Rectangle rectangle = LayoutUtils.InflateRect(GetCachedBounds(element), margin);
if (IsAnchored(anchor, AnchorStyles.Left) && !IsAnchored(anchor, AnchorStyles.Right))
{
empty.Width = Math.Max(empty.Width, rectangle.Right);
}
if (!IsAnchored(anchor, AnchorStyles.Bottom))
{
empty.Height = Math.Max(empty.Height, rectangle.Bottom);
}
if (IsAnchored(anchor, AnchorStyles.Right))
{
Rectangle rectangle2 = GetAnchorDestination(element, Rectangle.Empty, true);
if (rectangle2.Width < 0)
{
empty.Width = Math.Max(empty.Width, rectangle.Right + rectangle2.Width);
}
else
{
empty.Width = Math.Max(empty.Width, rectangle2.Right);
}
}
if (IsAnchored(anchor, AnchorStyles.Bottom))
{
Rectangle rectangle3 = GetAnchorDestination(element, Rectangle.Empty, true);
if (rectangle3.Height < 0)
{
empty.Height = Math.Max(empty.Height, rectangle.Bottom + rectangle3.Height);
}
else
{
empty.Height = Math.Max(empty.Height, rectangle3.Bottom);
}
}
}
}
return(empty);
}
private static Size GetAnchorPreferredSize(IArrangedElement container)
{
Size prefSize = Size.Empty;
ArrangedElementCollection children = container.Children;
for (int i = children.Count - 1; i >= 0; i--)
{
IArrangedElement element = container.Children[i];
if (!CommonProperties.GetNeedsDockLayout(element) && element.ParticipatesInLayout)
{
AnchorStyles anchor = GetAnchor(element);
Padding margin = CommonProperties.GetMargin(element);
Rectangle elementSpace = LayoutUtils.InflateRect(GetCachedBounds(element), margin);
if (IsAnchored(anchor, AnchorStyles.Left) && !IsAnchored(anchor, AnchorStyles.Right))
{
// If we are anchored to the left we make sure the container is large enough not to clip us
// (unless we are right anchored, in which case growing the container will just resize us.)
prefSize.Width = Math.Max(prefSize.Width, elementSpace.Right);
}
if (!IsAnchored(anchor, AnchorStyles.Bottom))
{
// If we are anchored to the top we make sure the container is large enough not to clip us
// (unless we are bottom anchored, in which case growing the container will just resize us.)
prefSize.Height = Math.Max(prefSize.Height, elementSpace.Bottom);
}
if (IsAnchored(anchor, AnchorStyles.Right))
{
// If we are right anchored, see what the anchor distance between our right edge and
// the container is, and make sure our container is large enough to accomodate us.
Rectangle anchorDest = GetAnchorDestination(element, Rectangle.Empty, /*measureOnly=*/ true);
if (anchorDest.Width < 0)
{
prefSize.Width = Math.Max(prefSize.Width, elementSpace.Right + anchorDest.Width);
}
else
{
prefSize.Width = Math.Max(prefSize.Width, anchorDest.Right);
}
}
if (IsAnchored(anchor, AnchorStyles.Bottom))
{
// If we are right anchored, see what the anchor distance between our right edge and
// the container is, and make sure our container is large enough to accomodate us.
Rectangle anchorDest = GetAnchorDestination(element, Rectangle.Empty, /*measureOnly=*/ true);
if (anchorDest.Height < 0)
{
prefSize.Height = Math.Max(prefSize.Height, elementSpace.Bottom + anchorDest.Height);
}
else
{
prefSize.Height = Math.Max(prefSize.Height, anchorDest.Bottom);
}
}
}
}
return(prefSize);
}