/// <summary> /// Boundingbox of the dataset /// </summary> /// <returns>boundingbox</returns> public SharpMap.Geometries.BoundingBox GetExtents() { if (this._bbox == null) { OGR.Envelope _OgrEnvelope = new Envelope(); int i = _OgrLayer.GetExtent(_OgrEnvelope, 1); this._bbox = new SharpMap.Geometries.BoundingBox(_OgrEnvelope.MinX, _OgrEnvelope.MinY, _OgrEnvelope.MaxX, _OgrEnvelope.MaxY); } return(_bbox); }