/// <summary>
/// The test read layer.
/// </summary>
/// <param name="layerName">
/// The layer name.
/// </param>
/// <returns>
/// The <see cref="bool"/>.
/// </returns>
private static bool TestReadLayer(string layerName)
{
var ds = new OgrDatasource();
if (!ds.Open(CONNECTION_STRING))
{
Debug.Print("Failed to establish connection: " + ds.GdalLastErrorMsg);
}
else
{
OgrLayer layer = ds.GetLayerByName(layerName, true);
if (layer != null)
{
layer.GlobalCallback = form;
Debug.Print("Layer opened: " + layer.Name);
Extents ext;
if (layer.get_Extents(out ext))
{
Debug.Print(ext.ToDebugString());
}
Debug.Print("Geometry column name: " + layer.GeometryColumnName);
Debug.Print("Feature count: " + layer.FeatureCount);
Debug.Print("Supports editing: " + layer.get_SupportsEditing(tkOgrSaveType.ostSaveAll));
Map.RemoveAllLayers();
Map.Projection = tkMapProjection.PROJECTION_WGS84;
int handle = Map.AddLayer(layer, true);
Map.Redraw();
Debug.Print("Layer connection: " + layer.GetConnectionString());
Debug.Print("Layer source query: " + layer.GetSourceQuery());
string state = layer.Serialize();
Debug.Print("Serialized state: " + state);
}
else
{
Debug.Print("Failed to open layer: " + layerName);
}
ds.Close();
}
return(true);
}
