/// <summary>
/// Validates and corrects the DockWidth/DockHeight properties of the children.
/// </summary>
private void ValidateDockSizes()
{
// Make all sizes positive.
// Absolute sizes must not be less than the MinWidth/MinHeight values.
foreach (var child in Children)
{
var element = child as FrameworkElement;
if (element == null)
{
continue;
}
var width = DockControl.GetDockWidth(element);
if (width.IsAbsolute && width.Value < element.MinWidth)
{
DockControl.SetDockWidth(element, new GridLength(element.MinWidth, width.GridUnitType));
}
else if (width.Value < 0)
{
DockControl.SetDockWidth(element, new GridLength(0, width.GridUnitType));
}
var height = DockControl.GetDockHeight(element);
if (height.IsAbsolute && height.Value < element.MinHeight)
{
DockControl.SetDockHeight(element, new GridLength(element.MinHeight, height.GridUnitType));
}
else if (height.Value < 0)
{
DockControl.SetDockHeight(element, new GridLength(0, height.GridUnitType));
}
}
}
/// <summary>
/// Gets the primary DockWidth/DockHeight value for the given element.
/// </summary>
private static GridLength GetPrimaryDockSize(DependencyObject element, Orientation orientation)
{
if (element == null)
{
return(GridLength.Auto);
}
return((orientation == Orientation.Vertical) ? DockControl.GetDockHeight(element) : DockControl.GetDockWidth(element));
}