type

 TmyFilter = record

  Expr: CANExpr;

  Nodes: array[0..2] of CANNode;

  literals: array[0..7] of char;

 end;

const

 myFilter: TMyFilter = (Expr:

  (iVer: 1; iTotalSize: sizeof(TMyFilter); iNodes: 3;

  iNodeStart: sizeof(CANExpr); iLiteralStart: sizeof(CANExpr) +

  3 * sizeof(CANNode));

  Nodes:

  ((canBinary: (nodeClass: nodeBinary; canOP: canEQ;

  iOperand1: sizeof(CANNode); iOperand2: 2 * sizeof(CANNode))),

  (canField: (nodeClass: nodeField; canOP: canField2;

  iFieldNum: 0; iNameOffset: 0)),

  (canConst: (nodeClass: nodeConst; canOP: canCONST2;

  iType: fldZSTRING; iSize: 3; iOffset: 5)));

  literals:

  ('T', 'Y', 'P', 'E', #0, 'I', 'N', #0));

var

 dbResult: DBIResult;

 hFilter, hFilter1: hDBIFilter;

begin (* procedure SetupFilter *)

 dbResult := DbiAddFilter(tblAP_.Handle, 1, 1,

  False, addr(myFilter), nil, hFilter);

 dbResult := DbiActivateFilter(tblAP_.Handle, hFilter);

 tblAP_.First;

 myFilter.nodes[0].canBinary.canOp := canNE;

 dbResult := DbiAddFilter(tblAP1_.Handle, 1, 1,

  False, addr(myFilter), nil, hFilter1);

 dbResult := DbiActivateFilter(tblAP1_.Handle, hFilter1);

 tblAP1_.First;

 myFilter.nodes[0].canBinary.canOp := canEQ;

end;