public void AppendProject()
{
// var selected = SelectedProject;
var project = new Project ();
project.Title = String.Empty;
// if (selected != null)
// project.ParentId = selected.Id;
project.Id = this.m_ProjectDb.Append (project);
this.m_ProjectDb.Put ((uint)project.Id, project);
this.SelectedProject = project;
}