private bool Traverse_CanDescend(ref TraversalInfo info, ref TraverseSettings settings)
{
if (!settings.AllowDescend)
{
return(false);
}
if (!info.ContainsChildren)
{
return(false);
}
if (!settings.AllowDescendIfDisabled && !info.Control.Enabled)
{
return(false);
}
// FIXME: Optimize this check
if (!settings.AllowDescendIfInvisible && Control.IsRecursivelyTransparent(info.Control, true))
{
return(false);
}
return(true);
}
private Control FindFocusableChildOfDefaultFocusTarget(Control defaultFocusTarget, TraverseSettings settings)
{
if (defaultFocusTarget.IsValidFocusTarget)
{
return(defaultFocusTarget);
}
else if ((defaultFocusTarget is IControlContainer icc) && icc.ChildrenAcceptFocus)
{
TraverseChildren(icc.Children, ref settings, out TraverseChildrenEnumerable enumerable);
return(enumerable.FirstOrDefault().Control);
}
