【解决办法】：
1.可以将该脚本制作为脚本工具，然后在Engine中直接调用该工具，推荐使用此种方法。
2.如果无法做成脚本工具，可以尝试在.Net中调用该.py文件，参考AO帮助： 
http://resources.arcgis.com/en/help/arcobjects-net/conceptualhelp/index.html#/Leveraging_ArcPy_in_a_NET_application/000100000m0s000000/
下面方式可以调用成功： 
[code]
string strPyScFile = string.Format({0}\\{1}, Application.StartupPath, zxy.py); //.py文件的路径

//Parameters 
string sArguments = string.Format({0}, strPyScFile); 
System.Diagnostics.Process p = new System.Diagnostics.Process(); 

p.StartInfo.FileName = @C:\Python27\ArcGIS10.2\python.exe;//Python程序路径 
p.StartInfo.Arguments = sArguments; 
p.StartInfo.UseShellExecute = false; 
// Do not create the black window. 
p.StartInfo.CreateNoWindow = true; 
p.StartInfo.RedirectStandardOutput = true; 
p.StartInfo.RedirectStandardInput = true; 
p.Start(); 
p.WaitForExit(); 
string result = p.StandardOutput.ReadToEnd(); //获取输出信息

【解决办法】：
 
AO帮助中有关于获取HDF的示例代码，在线网址： 
http://resources.arcgis.com/en/help/arcobjects-net/conceptualhelp/index.html#//0001000001sz000000 

用下面代码可以成功获取HDF5数据的三个子数据，并作为RGB图层显示。
[code]
string FileName1 = @D:\ZhuXinying\测试数据\Raster\H2A_RM2A20150113000086_0294.h5;
RasterWorkspaceFactoryClass pRasterWorkspaceFactoryClass1 = new RasterWorkspaceFactoryClass();
IWorkspace pWorkspace1 = pRasterWorkspaceFactoryClass1.OpenFromFile(System.IO.Path.GetDirectoryName(FileName1), 0);
IRasterWorkspace pRasterWorkspace = pWorkspace1 as IRasterWorkspace;
ESRI.ArcGIS.DataSourcesRaster.IRasterBandCollection rasterBandCollection = new ESRI.ArcGIS.DataSourcesRaster.RasterClass();

int[] ListSub = { 16, 17, 18 };//获取子数据集，以16 17 18为例
for (int i = 0; i < ListSub.Length; i++)
{
IRasterDataset pRasterDataset = pRasterWorkspace.OpenRasterDataset(System.IO.Path.GetFileName(FileName1));
IRasterDatasetJukebox pRasterDatasetJukebox = pRasterDataset as IRasterDatasetJukebox;
if (pRasterDatasetJukebox.SubdatasetCount > ListSub[i])
{
IRasterDatasetJukebox pRasterDatasetJukeboxdas = pRasterDataset as IRasterDatasetJukebox;
pRasterDatasetJukeboxdas.Subdataset = ListSub ;
IRasterDataset pSubDataset = pRasterDatasetJukeboxdas as IRasterDataset;
IRasterBandCollection pRasterBands1 = pSubDataset as IRasterBandCollection;
rasterBandCollection.Add(pRasterBands1.Item(0), i);
}
}

IRasterLayer pRasterLayerClass = new RasterLayerClass();
pRasterLayerClass.CreateFromRaster(rasterBandCollection as IRaster);
pRasterLayerClass.Name = asdf;
axMapControl1.AddLayer(pRasterLayerClass);
axMapControl1.Refresh();
IGeoDataset geodataset = rasterBandCollection as IGeoDataset;
ISaveAs saveAs = geodataset as ISaveAs;
saveAs.SaveAs(zxy7.tif, pWorkspace1, TIFF);

【解决办法】：
可以使用IPolycurveGeodetic.get_LengthGeodetic();方法，将要量测的IPolyline转为IPolycurveGeodetic即可。
测试代码如下：


            IPolyline polyline = feature.Shape as IPolyline;
         
            IPolycurveGeodetic polycurve = polyline as IPolycurveGeodetic;
            ILinearUnitEdit linearUnitEdit = new LinearUnitClass();

            //Define the properties for the linear unit 
            object name = Meter;
            object alias = Meter;
            object abbreviation = M;
            object remarks = Meter is the linear unit;
            object metersPerUnit = 1;
            linearUnitEdit.Define(ref name, ref alias, ref abbreviation, ref remarks, ref metersPerUnit);
            ILinearUnit pLU = linearUnitEdit as ILinearUnit;

            double distance = polycurve.get_LengthGeodetic(esrType.esriGeodeticTypeGeodesic,pLU);

【解决办法】：
保存mxd直接使用 IApplication.SaveDocument(); 另存为使用IApplication.SaveAsDocument(); 注意执行保存时不能有其它程序打开该mxd，如Engine或者ArcMap，测试代码如下： 


IMapDocument mapDoc = ArcMap.Application.Document as IMapDocument; 
string path = mapDoc.DocumentFilename; 

ArcMap.Application.SaveDocument(path);

【解决办法】：
主要分三步：
1，由于WGS84地理坐标系和西安80投影坐标系的椭球体不同，需要先定义一个地理变换，参考AO帮助链接：
http://resources.arcgis.com/en/help/arcobjects-net/conceptualhelp/index.html#/d/0001000009sw000000.htm
2，获取要素类，遍历每个要素，获取IGeometry，使用IGeometry5.ProjectEx()方法进行投影，将投影后的Geometry重新赋值给Feature，并且报存。
http://resources.arcgis.com/en/help/arcobjects-net/componenthelp/index.html#//002m000001rp000000
3，将处理过的要素类的空间参考改为新的空间参考，使用IGeoDatasetSchemaEdit.AlterSpatialReference方法。
http://resources.arcgis.com/en/help/arcobjects-net/componenthelp/index.html#//0025000003mn000000

注：如果两个坐标系的椭球体相同的话，直接使用IGeometry5.Project()进行投影即可，也不需要定义地理变换

参考代码（以WGS84到西安80为例）：



IGeographicCoordinateSystem wgs84GCS = createGeographicCoordinateSystem((int)esriSRGeoCSType.esriSRGeoCS_WGS1984);
            IProjectedCoordinateSystem xian80PCS = createProjectedCoordinateSystem((int)esriSRProjCS4Type.esriSRProjCS_Xian1980_3_Degree_GK_CM_102E);
            IGeoTransformation geoTrans = createCustomGeoTrans((ISpatialReference)wgs84GCS, (ISpatialReference)xian80PCS);
            IWorkspace workspace = getWorkspace(esriDataSourcesGDB.FileGDBWorkspaceFactory, @E:\ZhuXinying\testData\Data.gdb);
            IFeatureClass featureClass = openFeatureClass(workspace, WGS841);
            IFeatureCursor featureCur = featureClass.Search(null, false);
            IFeature feature = featureCur.NextFeature();
            while (feature != null)
            {
                IGeometry5 geometry = feature.ShapeCopy as IGeometry5;
                geometry.ProjectEx(xian80PCS as ISpatialReference, esriTransformDirection.esriTransformForward,geoTrans, false, 0, 0);
                feature.Shape = geometry;
                feature.Store();
                feature = featureCur.NextFeature();
            }
            // 定义投影
            defineSpatialReference(featureClass as IDataset, xian80PCS);

​ private void defineSpatialReference(IDataset dataset,ISpatialReference spatialReference)
        {
            IGeoDatasetSchemaEdit geoSchemaEdit = dataset as IGeoDatasetSchemaEdit;
            if (geoSchemaEdit.CanAlterSpatialReference)
            {
                geoSchemaEdit.AlterSpatialReference(spatialReference);
            }
       }
        private IProjectedCoordinateSystem createProjectedCoordinateSystem(int WKID)
        {
            Type factoryType = Type.GetTypeFromProgID(esriGeometry.SpatialReferenceEnvironment);
            System.Object obj = Activator.CreateInstance(factoryType);
            ISpatialReferenceFactory2 pSRF = obj as ISpatialReferenceFactory2;

            // Initialize and create the input and output coordinate systems.
            IProjectedCoordinateSystem pPCS = new ProjectedCoordinateSystemClass();
            pPCS = pSRF.CreateProjectedCoordinateSystem(WKID);
            return pPCS;
        }

        private IGeographicCoordinateSystem createGeographicCoordinateSystem(int WKID)
        {
            Type factoryType = Type.GetTypeFromProgID(esriGeometry.SpatialReferenceEnvironment);
            System.Object obj = Activator.CreateInstance(factoryType);
            ISpatialReferenceFactory2 pSRF = obj as ISpatialReferenceFactory2;
           
            IGeographicCoordinateSystem pGCS = new GeographicCoordinateSystemClass();
            // Initialize and create the input and output coordinate systems.
            pGCS = pSRF.CreateGeographicCoordinateSystem(WKID);
            return pGCS;
        }
        private IGeoTransformation createCustomGeoTrans(ISpatialReference pInputSR, ISpatialReference pOutputSR)
        {
            IGeographicCoordinateSystem pGCSfrom = null;
            IGeographicCoordinateSystem pGCSto = null;
            if (pInputSR is IGeographicCoordinateSystem)
                pGCSfrom = pInputSR as IGeographicCoordinateSystem;
            else if (pInputSR is IProjectedCoordinateSystem)
                pGCSfrom = (pInputSR as IProjectedCoordinateSystem).GeographicCoordinateSystem;
            if (pOutputSR is IGeographicCoordinateSystem)
                pGCSto = pOutputSR as IGeographicCoordinateSystem;
            else if (pOutputSR is IProjectedCoordinateSystem)
                pGCSto = (pOutputSR as IProjectedCoordinateSystem).GeographicCoordinateSystem;
            
            ICoordinateFrameTransformation pCFT = new CoordinateFrameTransformationClass();
            pCFT.PutParameters(p1, p2, p3, p4, p5, p6, p7); //七参数
            pCFT.PutSpatialReferences(pGCSfrom, pGCSto);
            pCFT.Name = Custom GeoTran;
            IGeoTransformation pGeoTrans = pCFT as IGeoTransformation;
            return pGeoTrans;
        }

【解决办法】：
可以通过以下步骤：
1，获取IMapFrame；
2，将IMapFrame.ExtentType设置为esriExtentTypeEnum.esriExtentBounds;
3，自定义Envelope，将其赋予IMapFrame.MapBounds，刷新即可。
​

IGraphicsContainer pGraphicsContainer = axPageLayoutControl1.GraphicsContainer; 
IMapFrame pMapFrame = pGraphicsContainer.FindFrame(axPageLayoutControl1.ActiveView.FocusMap) as IMapFrame; 
pMapFrame.ExtentType = esriExtentTypeEnum.esriExtentBounds; 
IEnvelope env = new EnvelopeClass(); 
env.PutCoords(111939.3058, 27729.6982, 131821.6658, 41643.6886); //地理坐标系下的坐标，即范围
pMapFrame.MapBounds = env; 
axPageLayoutControl1.Refresh();

【解决办法】：
将IWorkspace转为IDataset，然后使用IDataset.Delete();进行删除。最好不要使用System.IO.File.Delete(path); 根据mdb或FileGDB的路径删除，这种方法可能删除不掉或者删不干净。

注意：删除该workspace之前需要将使用到的FeatureClass，Feature，FeatureCursor，Field等AO对象先释放掉，可以使用System.Runtime.InteropServices.Marshal.FinalReleaseComObject();释放。



IDataset dataset = pWorkspace as IDataset; 
dataset.Delete();

【解决办法】：
通过IDisplayTable.DisplayTable获取Join后的Table。


private IFeatureClass FeatureJoinTableFon(IFeatureLayer mFeatureLayer, ITable mTable, string mFeatureField, string mTableField) 
{ 
IFeatureClass inputFeatureClass = mFeatureLayer.FeatureClass; 
ITable FeatureTable = inputFeatureClass as ITable; 
IMemoryRelationshipClassFactory memoryRelClassFactory = new MemoryRelationshipClassFactory(); 
IRelationshipClass relationshipClass = memoryRelClassFactory.Open(test, FeatureTable as IObjectClass, mFeatureField, mTable as IObjectClass, mTableField, Forwardfield, Backwardfield, esriRelCardinality.esriRelCardinalityOneToOne); 
IRelationshipClassCollectionEdit pRelClassCollEdit = mFeatureLayer as IRelationshipClassCollectionEdit; 
pRelClassCollEdit.AddRelationshipClass(relationshipClass); 
IDisplayTable displayTable = pRelClassCollEdit as IDisplayTable; 
IFeatureClass outputFeatureClass = displayTable.DisplayTable as IFeatureClass; 
return outputFeatureClass; 
}

【解决办法】：
测试后发现Engine中的SplitAtPoints方法和ArcMap的Planarize Lines方法分割椭圆弧时所得的结点坐标确实有些差别，在小数点后第四位，建议使用IFeatureConstruction.PlanarizeLines方法，该方法所得结果与ArcMap相同，测试代码如下：


IFeatureLayer FL = axMapControl1.get_Layer(0) as IFeatureLayer; 
ISelection sel = axMapControl1.Map.FeatureSelection; 
IEnumFeature features = sel as IEnumFeature; 
IFeatureConstruction con = new FeatureConstructionClass(); 
con.PlanarizeLines(null, features, 0.001);

【解决办法】：
往SDE中导入数据需要初始化EngineGeoDB许可，初始化Engine许可的话就报这个错，改为EngineGeoDB后该问题得以解决。

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