/// <summary>
/// Opens a shapefile, but returns it as a FeatureLayer
/// </summary>
/// <param name="fileName">The string fileName</param>
/// <param name="inRam">Boolean, if this is true it will attempt to open the entire layer in memory.</param>
/// <param name="container">A container to hold this layer.</param>
/// <param name="progressHandler">The progress handler that should receive status messages</param>
/// <returns>An IFeatureLayer</returns>
public ILayer OpenLayer(string fileName, bool inRam, ICollection<ILayer> container, IProgressHandler progressHandler)
{
ShapefileDataProvider dp = new ShapefileDataProvider();
IFeatureSet fs = dp.Open(fileName);
if (fs != null)
{
if (fs.FeatureType == FeatureType.Line)
{
return new MapLineLayer(fs, container);
}
if (fs.FeatureType == FeatureType.Polygon)
{
return new MapPolygonLayer(fs, container);
}
if (fs.FeatureType == FeatureType.Point || fs.FeatureType == FeatureType.MultiPoint)
{
return new MapPointLayer(fs, container);
}
}
return null;
}
