protected override void RestoringVisit(DataGridContext sourceContext, CollectionViewGroup group, object[] namesTree, int groupLevel, bool isExpanded, bool isComputedExpanded)
{
if (sourceContext != m_rootDataGridContext)
{
throw new InvalidOperationException("Group does not belong to the root DataGridContext.");
}
if (groupLevel > m_maxGroupLevel)
{
return;
}
GroupNamesTreeKey groupNamesTreeKey = new GroupNamesTreeKey(namesTree);
bool wasExpanded;
if (m_groupsStateDictionary.TryGetValue(groupNamesTreeKey, out wasExpanded))
{
if (wasExpanded)
{
sourceContext.ExpandGroupCore(group, true);
}
else
{
sourceContext.CollapseGroupCore(group, true);
}
}
else if (m_stopAtFirstCollapsedGroup)
{
sourceContext.CollapseGroupCore(group, true);
}
}
protected override void RestoringVisit( DataGridContext sourceContext, CollectionViewGroup group, object[] namesTree, int groupLevel, bool isExpanded, bool isComputedExpanded )
{
if( sourceContext != m_rootDataGridContext )
throw new InvalidOperationException( "Group does not belong to the root DataGridContext." );
if( groupLevel > m_maxGroupLevel )
return;
GroupNamesTreeKey groupNamesTreeKey = new GroupNamesTreeKey( namesTree );
bool wasExpanded;
if( m_groupsStateDictionary.TryGetValue( groupNamesTreeKey, out wasExpanded ) )
{
if( wasExpanded )
{
sourceContext.ExpandGroupCore( group, true );
}
else
{
sourceContext.CollapseGroupCore( group, true );
}
}
else if( m_stopAtFirstCollapsedGroup )
{
sourceContext.CollapseGroupCore( group, true );
}
}
