tcustomlookupbuffer.lookupint64

public function tcustomlookupbuffer.lookupint64(

  const integerkeyfieldno: Integer;

  const int64fieldno: Integer;

  const keyvalue: Integer;

  const adefault: Int64 = 0

):Int64; overload;

function tcustomlookupbuffer.lookupint64(

  const int64keyfieldno: Integer;

  const int64fieldno: Integer;

  const keyvalue: Int64;

  const adefault: Int64 = 0

):Int64; overload;

function tcustomlookupbuffer.lookupint64(

  const stringkeyfieldno: Integer;

  const int64fieldno: Integer;

  const keyvalue: msestring;

  const adefault: Int64 = 0

):Int64; overload;