Syntax - WinQueryLangInfo

/*******************************************/
/* This function returns the Bidirectional */
/* information of the data specified by    */
/* ulEffect.                               */
/*******************************************/

#define INCL_PMBIDI
#include <os2.h>

HWND      hwnd;         /* Window handle */
ULONG     ulEffect;     /* Specifies type of Bidi information to be queried */
ULONG     ulFlags;      /* Flag to determine optional behavior */
ULONG     ulReserved;   /* Reserved and must be zero */
ULONG     uldata;       /* Return value */

     ulData  =  WinQueryLangInfo ( hwnd, ulEffect, ulFlags, ulReserved );