private void OnUIAColumnsCollectionChanged (object sender,
CollectionChangeEventArgs args)
{
SWF.ColumnHeader column = (SWF.ColumnHeader) args.Element;
if (args.Action == CollectionChangeAction.Add) {
ListViewHeaderItemProvider itemProvider
= new ListViewHeaderItemProvider (this, column);
itemProvider.Initialize ();
headerItems [column] = itemProvider;
AddChildProvider (itemProvider);
} else if (args.Action == CollectionChangeAction.Remove) {
ListViewHeaderItemProvider itemProvider;
if (headerItems.TryGetValue (column, out itemProvider)) {
RemoveChildProvider (itemProvider);
itemProvider.Terminate ();
headerItems.Remove (column);
}
} else {
foreach (ListViewHeaderItemProvider item in headerItems .Values)
item.Terminate ();
headerItems.Clear ();
OnNavigationChildrenCleared ();
}
}
public override void InitializeChildControlStructure ()
{
base.InitializeChildControlStructure ();
//Event used to update columns in ListItem when View.Details
listView.Columns.UIACollectionChanged += OnUIAColumnsCollectionChanged;
foreach (SWF.ColumnHeader column in listView.Columns) {
ListViewHeaderItemProvider item
= new ListViewHeaderItemProvider (this, column);
item.Initialize ();
AddChildProvider (item);
headerItems [column] = item;
}
}
