public override bool ItemExpandable(NSOutlineView outlineView, NSObject item)
{
if (item != null)
{
ScopeNodeBase passedNode = item as ScopeNodeBase; // cast to appropriate type of node
if (passedNode != null)
{
return(passedNode.NumberOfChildren() != 0);
}
else
{
return(false);
}
}
else
{
// if null, it's asking about the root element
return(true);
}
}
public override nint GetChildrenCount(NSOutlineView outlineView, NSObject item)
{
// if null, it's asking about the root element
if (item == null)
{
return(1);
}
else
{
ScopeNodeBase passedNode = item as ScopeNodeBase;
if (passedNode != null)
{
return(passedNode.NumberOfChildren());
}
else
{
return(0);
}
}
}