public IRecord GetData(int index)
{
if (ContentsFile != null)
{
ShxRecord shxRecord = (ShxRecord)RecordSet[index];
IRecord shpRecord = ContentsFile.GetData(ShpType, shxRecord.Offset, shxRecord.Length);
return(shpRecord);
}
else
{
return(null);
}
}
public void Load()
{
FileCode = Util.FromBigEndian(br.ReadInt32());
br.BaseStream.Seek(20, SeekOrigin.Current);
FileLength = Util.FromBigEndian(br.ReadInt32()) * 2;
FileVersion = br.ReadInt32();
ShpType = (ShapeType)br.ReadInt32();
TotalXYRange = new RangeXY();
ZRange = new Range();
MRange = new Range();
TotalXYRange.Load(ref br);
ZRange.Load(ref br);
MRange.Load(ref br);
int ContentLength = FileLength - 100;
long curPoint = 0;
RecordSet = new List <ShxRecord>();
while (curPoint < ContentLength)
{
ShxRecord record = new ShxRecord();
record.Load(ref br);
RecordSet.Add(record);
curPoint += record.GetLength();
}
try
{
ContentsFile = (ShpFile)FileFactory.CreateInstance(shpPath);
}
catch (Exception)
{
ContentsFile = null;
}
}