private void OnAddColorButton(object sender, EventArgs e)
{
if ((_ribbonCluster != null) && (_ribbonCluster.Ribbon != null))
{
// Use a transaction to support undo/redo actions
DesignerTransaction transaction = _designerHost.CreateTransaction("KryptonRibbonGroupCluster AddColorButton");
try
{
// Get access to the Items property
MemberDescriptor propertyItems = TypeDescriptor.GetProperties(_ribbonCluster)["Items"];
RaiseComponentChanging(propertyItems);
// Get designer to create a cluster color button item
KryptonRibbonGroupClusterColorButton button = (KryptonRibbonGroupClusterColorButton)_designerHost.CreateComponent(typeof(KryptonRibbonGroupClusterColorButton));
_ribbonCluster.Items.Add(button);
RaiseComponentChanged(propertyItems, null, null);
}
finally
{
// If we managed to create the transaction, then do it
if (transaction != null)
transaction.Commit();
}
}
}