public void Draw()
{
// 3. When a request comes in, the real object is
// created "on first use"
if (m_RealImage == null)
{
m_RealImage = new RealImage();
}
// 4. The request is always delegated
m_RealImage.Draw();
}
public ImageProxy()
{
m_Id = s_Next++;
// 2. Initialized to null
m_RealImage = null;
}