if (totalParameterCount - parameterDisplacement > 0) {
                pad = parameterOffset % PADDING_SIZE;
                pad = pad == 0 ? 0 : PADDING_SIZE - pad;
                parameterOffset += pad;
            }

            // caclulate parameterDisplacement before calculating new parameterCount
            parameterDisplacement += parameterCount;

                + ",parameterCount=" + this.parameterCount + ",parameterOffset=" + this.parameterOffset + ",parameterDisplacement="
                + this.parameterDisplacement + ",dataCount=" + this.dataCount + ",dataOffset=" + this.dataOffset + ",dataDisplacement="

            return bufDataStart;
        }

        byte[] getTxnBuf() {
            return txn_buf;
        }

        int getParameterDisplacement() {
            return parameterDisplacement;
        }

        int getDataDisplacement() {
            return dataDisplacement;
        }

        int getParameterOffset() {
            return parameterOffset;
        }

            if (this.totalParameterCount - this.parameterDisplacement > 0) {
                this.pad1 = this.pad(this.parameterOffset);
                this.parameterOffset += this.pad1;
            }

            // caclulate parameterDisplacement before calculating new parameterCount
            this.parameterDisplacement += this.parameterCount;

        // parameterCount (4 bytes)
        SMBUtil.writeInt4(100, buffer, bufferIndex + 11);

        // parameterOffset (4 bytes)
        SMBUtil.writeInt4(64, buffer, bufferIndex + 15);

        // parameterDisplacement (4 bytes)
        SMBUtil.writeInt4(0, buffer, bufferIndex + 19);

        // dataCount (4 bytes)
        SMBUtil.writeInt4(200, buffer, bufferIndex + 23);

        // dataOffset (4 bytes)

            this.parameterOffset = value;
        }

        public int getParameterDisplacement() {
            return parameterDisplacement;
        }

        public void setParameterDisplacement(int value) {
            this.parameterDisplacement = value;
        }

        public int getDataCount() {
            return dataCount;
        }