Structure that contains information about painting the container window's background by the container owner. This structure is used in the CM_PAINTBACKGROUND container message only.
typedef struct _OWNERBACKGROUND {
HWND hwnd; /* Window handle. */
HPS hps; /* Presentation-space handle. */
RECTL rclBackground; /* Background rectangle. */
LONG idWindow; /* Window ID. */
} OWNERBACKGROUND;
typedef OWNERBACKGROUND * POWNERBACKGROUND ;