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/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for Additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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namespace HH.WMS.Utils.NPOI.DDF
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{
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using System;
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using System.Text;
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using System.Collections;
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using HH.WMS.Utils.NPOI.Util;
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using System.IO;
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/// <summary>
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/// The escher client anchor specifies which rows and cells the shape is bound to as well as
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/// the offsets within those cells. Each cell is 1024 units wide by 256 units long regardless
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/// of the actual size of the cell. The EscherClientAnchorRecord only applies to the top-most
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/// shapes. Shapes contained in groups are bound using the EscherChildAnchorRecords.
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/// @author Glen Stampoultzis
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/// </summary>
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public class EscherClientAnchorRecord : EscherRecord
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{
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public const short RECORD_ID = unchecked((short)0xF010);
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public const String RECORD_DESCRIPTION = "MsofbtClientAnchor";
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private short field_1_flag;
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private short field_2_col1;
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private short field_3_dx1;
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private short field_4_row1;
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private short field_5_dy1;
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private short field_6_col2;
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private short field_7_dx2;
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private short field_8_row2;
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private short field_9_dy2;
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private byte[] remainingData;
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private bool shortRecord = false;
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/// <summary>
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/// This method deSerializes the record from a byte array.
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/// </summary>
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/// <param name="data">The byte array containing the escher record information</param>
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/// <param name="offset">The starting offset into data</param>
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/// <param name="recordFactory">May be null since this is not a container record.</param>
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/// <returns>The number of bytes Read from the byte array.</returns>
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public override int FillFields(byte[] data, int offset, EscherRecordFactory recordFactory)
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{
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int bytesRemaining = ReadHeader(data, offset);
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int pos = offset + 8;
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int size = 0;
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// Always find 4 two byte entries. Sometimes find 9
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if (bytesRemaining == 4) // Word format only 4 bytes
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{
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// Not sure exactly what the format is quite yet, likely a reference to a PLC
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}
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else
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{
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field_1_flag = LittleEndian.GetShort(data, pos + size); size += 2;
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field_2_col1 = LittleEndian.GetShort(data, pos + size); size += 2;
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field_3_dx1 = LittleEndian.GetShort(data, pos + size); size += 2;
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field_4_row1 = LittleEndian.GetShort(data, pos + size); size += 2;
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if (bytesRemaining >= 18)
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{
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field_5_dy1 = LittleEndian.GetShort(data, pos + size); size += 2;
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field_6_col2 = LittleEndian.GetShort(data, pos + size); size += 2;
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field_7_dx2 = LittleEndian.GetShort(data, pos + size); size += 2;
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field_8_row2 = LittleEndian.GetShort(data, pos + size); size += 2;
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field_9_dy2 = LittleEndian.GetShort(data, pos + size); size += 2;
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shortRecord = false;
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}
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else
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{
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shortRecord = true;
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}
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}
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bytesRemaining -= size;
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remainingData = new byte[bytesRemaining];
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Array.Copy(data, pos + size, remainingData, 0, bytesRemaining);
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return 8 + size + bytesRemaining;
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}
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/// <summary>
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/// This method Serializes this escher record into a byte array.
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/// </summary>
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/// <param name="offset">The offset into data to start writing the record data to.</param>
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/// <param name="data">The byte array to Serialize to.</param>
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/// <param name="listener">a listener for begin and end serialization events.</param>
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/// <returns>The number of bytes written.</returns>
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public override int Serialize(int offset, byte[] data, EscherSerializationListener listener)
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{
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listener.BeforeRecordSerialize(offset, RecordId, this);
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if (remainingData == null) remainingData = new byte[0];
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LittleEndian.PutShort(data, offset, Options);
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LittleEndian.PutShort(data, offset + 2, RecordId);
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int remainingBytes = remainingData.Length + (shortRecord ? 8 : 18);
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LittleEndian.PutInt(data, offset + 4, remainingBytes);
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LittleEndian.PutShort(data, offset + 8, field_1_flag);
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LittleEndian.PutShort(data, offset + 10, field_2_col1);
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LittleEndian.PutShort(data, offset + 12, field_3_dx1);
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LittleEndian.PutShort(data, offset + 14, field_4_row1);
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if (!shortRecord)
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{
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LittleEndian.PutShort(data, offset + 16, field_5_dy1);
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LittleEndian.PutShort(data, offset + 18, field_6_col2);
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LittleEndian.PutShort(data, offset + 20, field_7_dx2);
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LittleEndian.PutShort(data, offset + 22, field_8_row2);
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LittleEndian.PutShort(data, offset + 24, field_9_dy2);
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}
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Array.Copy(remainingData, 0, data, offset + (shortRecord ? 16 : 26), remainingData.Length);
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int pos = offset + 8 + (shortRecord ? 8 : 18) + remainingData.Length;
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listener.AfterRecordSerialize(pos, RecordId, pos - offset, this);
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return pos - offset;
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}
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/// <summary>
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/// Returns the number of bytes that are required to Serialize this record.
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/// </summary>
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/// <value>Number of bytes</value>
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public override int RecordSize
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{
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get { return 8 + (shortRecord ? 8 : 18) + (remainingData == null ? 0 : remainingData.Length); }
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}
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/// <summary>
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/// The record id for this record.
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/// </summary>
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/// <value></value>
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public override short RecordId
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{
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get { return RECORD_ID; }
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}
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/// <summary>
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/// The short name for this record
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/// </summary>
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/// <value></value>
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public override String RecordName
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{
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get { return "ClientAnchor"; }
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}
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/// <summary>
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/// Returns a <see cref="T:System.String"/> that represents the current <see cref="T:System.Object"/>.
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/// </summary>
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/// <returns>
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/// A <see cref="T:System.String"/> that represents the current <see cref="T:System.Object"/>.
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/// </returns>
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public override String ToString()
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{
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String nl = Environment.NewLine;
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String extraData;
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using (MemoryStream b = new MemoryStream())
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{
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try
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{
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HexDump.Dump(this.remainingData, 0, b, 0);
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extraData = b.ToString();
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}
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catch (Exception)
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{
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extraData = "error\n";
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}
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return GetType().Name + ":" + nl +
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" RecordId: 0x" + HexDump.ToHex(RECORD_ID) + nl +
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" Options: 0x" + HexDump.ToHex(Options) + nl +
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" Flag: " + field_1_flag + nl +
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" Col1: " + field_2_col1 + nl +
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" DX1: " + field_3_dx1 + nl +
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" Row1: " + field_4_row1 + nl +
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" DY1: " + field_5_dy1 + nl +
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" Col2: " + field_6_col2 + nl +
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" DX2: " + field_7_dx2 + nl +
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" Row2: " + field_8_row2 + nl +
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" DY2: " + field_9_dy2 + nl;
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//" Extra Data:" + nl + extraData;
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}
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}
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/// <summary>
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/// Gets or sets the flag.
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/// </summary>
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/// <value>0 = Move and size with Cells, 2 = Move but don't size with cells, 3 = Don't move or size with cells.</value>
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public short Flag
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{
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get { return field_1_flag; }
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set { field_1_flag = value; }
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}
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/// <summary>
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/// Gets or sets The column number for the top-left position. 0 based.
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/// </summary>
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/// <value>The col1.</value>
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public short Col1
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{
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get { return field_2_col1; }
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set { field_2_col1 = value; }
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}
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/// <summary>
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/// Gets or sets The x offset within the top-left cell. Range is from 0 to 1023.
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/// </summary>
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/// <value>The DX1.</value>
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public short Dx1
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{
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get { return field_3_dx1; }
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set { field_3_dx1 = value; }
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}
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/// <summary>
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/// Gets or sets The row number for the top-left corner of the shape.
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/// </summary>
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/// <value>The row1.</value>
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public short Row1
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{
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get { return field_4_row1; }
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set { this.field_4_row1 = value; }
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}
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/// <summary>
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/// Gets or sets The y offset within the top-left corner of the current shape.
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/// </summary>
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/// <value>The dy1.</value>
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public short Dy1
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{
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get { return field_5_dy1; }
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set
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{
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shortRecord = false;
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this.field_5_dy1 = value;
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}
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}
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/// <summary>
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/// Gets or sets The column of the bottom right corner of this shape.
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/// </summary>
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/// <value>The col2.</value>
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public short Col2
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{
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get { return field_6_col2; }
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set
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{
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shortRecord = false;
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this.field_6_col2 = value;
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}
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}
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/// <summary>
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/// Gets or sets The x offset withing the cell for the bottom-right corner of this shape.
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/// </summary>
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/// <value>The DX2.</value>
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public short Dx2
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{
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get { return field_7_dx2; }
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set
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{
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shortRecord = false;
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this.field_7_dx2 = value;
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}
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}
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/// <summary>
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/// Gets or sets The row number for the bottom-right corner of the current shape.
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/// </summary>
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/// <value>The row2.</value>
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public short Row2
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{
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get { return field_8_row2; }
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set
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{
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shortRecord = false;
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this.field_8_row2 = value;
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}
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}
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/// <summary>
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/// Gets or sets The y offset withing the cell for the bottom-right corner of this shape.
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/// </summary>
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/// <value>The dy2.</value>
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public short Dy2
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{
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get { return field_9_dy2; }
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set { field_9_dy2 = value; }
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}
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/// <summary>
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/// Gets or sets the remaining data.
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/// </summary>
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/// <value>The remaining data.</value>
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public byte[] RemainingData
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{
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get { return remainingData; }
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set { remainingData = value; }
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}
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}
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}
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