SET LIBRARY TO WWIDTH  
=WDIMEN()

#include <pro_ext.h>
void putLong(long n, int width)
{
   Value val;
   val.ev_type = 'I';
   val.ev_long = n;
   val.ev_width = width;
   _PutValue(&val);
}
void FAR Example(ParamBlk FAR *parm)
{
   WHANDLE wh = _WOnTop();
   _PutStr("\nheight ="); putLong(_WHeight(wh), 5);
   _PutStr("\nwidth  ="); putLong(_WWidth(wh), 5);
}
FoxInfo myFoxInfo[] = {
   {"WDIMEN", (FPFI) Example, 0, ""},
};
FoxTable _FoxTable = {
   (FoxTable FAR *) 0, sizeof(myFoxInfo)/sizeof(FoxInfo), myFoxInfo
};