MenuItem structure, 176, 177, 180, 181, 182, 184, 189-191, 224
  Command, 184, 190, 191
  definition, 189
  Flags, 181, 184, 190
  Height, 190
  ItemFill, 180, 190, 191
  LeftEdge, 182, 190
  MenuItem, 191
  MutualExclude, 182-183, 190
  NextItem, 189
  NextSelect, 176, 177, 191
  SelectFill, 190, 191, 192
  SubItem, 190
  TopEdge, 190
  Width, 190