docs: public void removeIcon(int iIndex)
      {
          if (m_rgIcons != null)
          {
              m_rgIcons[iIndex] = null; // Always at location 0
              for (int i = 0; i < MAX_ICONS; i++)
              {
                  if (m_rgIcons[i] != null)
                      return;
              }
              this.removeTimer();   // No icons left
              m_rgIcons = null;
          }
      }