#define GWIN_FIRST_CONTROL_FLAG 0x00000001 /**< 8 bits free for the control to use */
#define GWIN_FIRST_CONTROL_FLAG 0x00000001 /**< 8 bits free for the control to use. Don't change this value as it is relied upon definitions in widget header files. */
#define GWIN_LAST_CONTROL_FLAG 0x00000080 /**< 8 bits free for the control to use */
#define GWIN_FLG_VISIBLE 0x00000100 /**< The window is "visible" */
#define GWIN_FLG_SYSVISIBLE 0x00000200 /**< The window is visible after parents are tested */