private void UpdateVerbStatus()
{
// Create verbs first time around
if (_verbs == null)
{
_verbs = new DesignerVerbCollection();
_toggleHelpersVerb = new DesignerVerb("Toggle Helpers", new EventHandler(OnToggleHelpers));
_moveFirstVerb = new DesignerVerb("Move TrackBar First", new EventHandler(OnMoveFirst));
_movePrevVerb = new DesignerVerb("Move TrackBar Previous", new EventHandler(OnMovePrevious));
_moveNextVerb = new DesignerVerb("Move TrackBar Next", new EventHandler(OnMoveNext));
_moveLastVerb = new DesignerVerb("Move TrackBar Last", new EventHandler(OnMoveLast));
_deleteTrackBarVerb = new DesignerVerb("Delete TrackBar", new EventHandler(OnDeleteTrackBar));
_verbs.AddRange(new DesignerVerb[] { _toggleHelpersVerb, _moveFirstVerb, _movePrevVerb,
_moveNextVerb, _moveLastVerb, _deleteTrackBarVerb });
}
bool moveFirst = false;
bool movePrev = false;
bool moveNext = false;
bool moveLast = false;
if ((_ribbonTrackBar != null) && (_ribbonTrackBar.Ribbon != null))
{
TypedRestrictCollection<KryptonRibbonGroupItem> items = ParentItems;
moveFirst = (items.IndexOf(_ribbonTrackBar) > 0);
movePrev = (items.IndexOf(_ribbonTrackBar) > 0);
moveNext = (items.IndexOf(_ribbonTrackBar) < (items.Count - 1));
moveLast = (items.IndexOf(_ribbonTrackBar) < (items.Count - 1));
}
_moveFirstVerb.Enabled = moveFirst;
_movePrevVerb.Enabled = movePrev;
_moveNextVerb.Enabled = moveNext;
_moveLastVerb.Enabled = moveLast;
}