/// <summary>
/// Writes a multipoint.
/// </summary>
/// <param name="mp">The multipoint to be written.</param>
private void WriteMultiPoint(MultiPoint mp, byte format)
{
//Get the number of points in this multipoint.
int numPoints = mp.GetNumPoints();
//Write the number of points.
_bWriter.Write(numPoints);
//Loop on the number of points.
for(int i = 0; i < numPoints; i++)
{
//write the multipoint header
_bWriter.Write(format);
_bWriter.Write(4);
_bWriter.Write(numPoints);
//Write each point.
WritePoint((Point)mp[i]);
}
}