Metadatacopyunion _MMVIEW_CONTROL_AREA { struct _CONTROL_AREA* ControlArea;/* 0x0 4 */ struct { unsigned long Writable : 1;/* 0x0:0 4 */ unsigned long ExceptionForInPageErrors : 1;/* 0x0:1 4 */ unsigned long Unused : 1;/* 0x0:2 4 */ unsigned long UsedForControlArea : 29;/* 0x0:3 4 */ };/* 0x0 4 */};