//创建空间参考

ISpatialReference pSpatialReference = GetSpatialReferenc(mTimeTrackPoint);

Dictionary<string,esriFieldType>pFieldStruct = new Dictionary<string,esriFieldType>();

//添加字段

string pStartTime = "StartTime";

string pEndTime = "EndTime";

pFieldStruct.Add(pStartTime, esriFieldType.esriFieldTypeString);

pFieldStruct.Add(pEndTime, esriFieldType.esriFieldTypeString);

/// <summary>

/// 获取要素类空间参考方法。

/// </summary>

/// <param name="pFeatureLayer">要获取空间参考的图层</param>

/// <returns>图层空间参考</returns>

private static ISpatialReference GetSpatialReferenc(IFeatureLayer pFeatureLayer)

{

IFeatureClass pFeatureClass = pFeatureLayer.FeatureClass;

IGeoDataset pGeoDataset = pFeatureClass as IGeoDataset;

ISpatialReference pSpatialReference = pGeoDataset.SpatialReference;

return pSpatialReference;

}