public override int GetHashCode()
{
int hashCode = 0;
if (m_template != null)
{
hashCode ^= m_template.GetHashCode();
}
CollectionViewGroup group = this.Group;
if (group != null)
{
hashCode ^= group.GetHashCode();
}
return(hashCode);
}
public GroupHeaderFooterItem(CollectionViewGroup collectionViewGroup, object template)
{
if (!(template is DataTemplate) && !(template is GroupHeaderFooterItemTemplate))
{
throw new ArgumentException("A GroupHeaderFooterItem can only be created with a DataTemplate or VisibleWhenCollapsed objects.", "template");
}
Debug.Assert(template != null);
m_template = template;
m_group = new WeakReference(collectionViewGroup);
m_hashCode = template.GetHashCode();
if (collectionViewGroup != null)
{
m_hashCode ^= collectionViewGroup.GetHashCode();
}
}
