public ToolBarButtonProvider RemoveButtonAt(int index)
{
ToolBarButtonProvider button = null;
if (index < toolBar.Buttons.Count)
{
button = (ToolBarButtonProvider)
ProviderFactory.GetProvider(toolBar.Buttons [index]);
ProviderFactory.ReleaseProvider(toolBar.Buttons [index]);
}
return(button);
}
public override void FinalizeChildControlStructure()
{
toolBar.Buttons.UIACollectionChanged -=
new CollectionChangeEventHandler(OnCollectionChanged);
for (int index = 0; index < toolBar.Buttons.Count; index++)
{
ToolBarButtonProvider buttonProvider
= (ToolBarButtonProvider)ProviderFactory.FindProvider(toolBar.Buttons [index]);
RemoveChildProvider(buttonProvider);
}
OnNavigationChildrenCleared();
base.FinalizeChildControlStructure();
}
#pragma warning disable 169
private void OnCollectionChanged(object sender, CollectionChangeEventArgs e)
{
if (e.Action == CollectionChangeAction.Add)
{
ToolBarButtonProvider button = (ToolBarButtonProvider)
ProviderFactory.GetProvider(toolBar.Buttons [(int)e.Element]);
AddChildProvider(button);
}
else if (e.Action == CollectionChangeAction.Remove)
{
ToolBarButtonProvider button = RemoveButtonAt((int)e.Element);
RemoveChildProvider(button);
}
else if (e.Action == CollectionChangeAction.Refresh)
{
ClearButtonsCollection();
OnNavigationChildrenCleared();
}
}