Multi-line entry-field margin information.

typedef struct _MLEMARGSTRUCT {
  USHORT     afMargins;  /*  Margin in which the event occurred. */
  USHORT     usMouMsg;   /*  Message identity of the original mouse event. */
  IPT        iptNear;    /*  Insertion point nearest to the margin event. */
} MLEMARGSTRUCT;

typedef   MLEMARGSTRUCT   * PMARGSTRUCT ;