internal void Collapse()
{
if (!IsExpanded)
{
return;
}
if (IsRecursive)
{
RowNormalizer.Collapse(this);
}
IsExpanded = false;
}
internal void Expand()
{
if (IsExpanded)
{
return;
}
if (IsRecursive)
{
RowNormalizer.Expand(this);
}
IsExpanded = true;
}