/// <summary>
/// Open initialized component, add to the components collection.
/// </summary>
private void OpenComponent(ComponentVM vm)
{
var index = Math.Max(0, Components.Count - 1);
Components.Insert(index, vm);
Components.SelectedItem = Components[index];
}
/// <summary>
/// Close component, remove from collection and unload.
/// </summary>
private void ExecuteCloseComponent(ComponentVM component)
{
if ((component != null) && Components.Contains(component))
{
Components.Remove(component);
component.Unload();
}
}