c# 调用ArcEngine的GP工具

                 IAoInitialize m_AoInitialize = new AoInitializeClass(); 

            esriLicenseStatuslicenseStatus = esriLicenseStatus.esriLicenseUnavailable; 

            licenseStatus = m_AoInitialize.Initialize(esriLicenseProductCode.esriLicenseProductCodeArcInfo);

            if (licenseStatus == esriLicenseStatus.esriLicenseCheckedOut)

            {

                GeoprocessortGp = newGeoprocessor();

                tGp.OverwriteOutput = true; 

                licenseStatus = m_AoInitialize.IsExtensionCodeAvailable(esriLicenseProductCode.esriLicenseProductCodeEngine,esriLicenseExtensionCode.esriLicenseExtensionCodeSpatialAnalyst);

                licenseStatus = m_AoInitialize.CheckOutExtension(esriLicenseExtensionCode.esriLicenseExtensionCodeSpatialAnalyst);

                

                //LICenced arcengine

                ESRI.ArcGIS.ConversionTools.ASCIIToRastertASC = newESRI.ArcGIS.ConversionTools.ASCIIToRaster();

                tASC.data_type = "FLOAT";

                tASC.in_ascii_file = pWorkSpacePath + @"a1.txt";

                tASC.out_raster = pWorkSpacePath + "a1.img";

                //ScrollToBottom("ASCIIToRaster");

                IGeoProcessorResulttGeoResult = (IGeoProcessorResult)tGp.Execute(tASC, null);

                if (tGeoResult.Status == ESRI.ArcGIS.esriSystem.esriJobStatus.esriJobSucceeded)

                {

                     ESRI.ArcGIS.SpatialAnalystTools.ReclassifytReclass = newESRI.ArcGIS.SpatialAnalystTools.Reclassify();

                    tReclass.in_raster = pWorkSpacePath + "a1.img";

                    tReclass.missing_values = "NODATA";

                    tReclass.out_raster = pWorkSpacePath + @"Out3.img";

                    tReclass.reclass_field = "VALUE";

                    tReclass.remap = "0 958 10;958 988 20;988 990 30;990 1000 40;1000 1100 50";

                   // ScrollToBottom("Reclassify");

                    tGeoResult = (IGeoProcessorResult)tGp.Execute(tReclass, null);

                    if (tGeoResult.Status == ESRI.ArcGIS.esriSystem.esriJobStatus.esriJobSucceeded)

                    {

                        ESRI.ArcGIS.ConversionTools.RasterToPolygontRTP = newESRI.ArcGIS.ConversionTools.RasterToPolygon();

                        tRTP.in_raster = pWorkSpacePath + "Out3.img";

                        tRTP.out_polygon_features = pWorkSpacePath + "a2_shp.shp";

                        tRTP.raster_field = "VALUE";

                        tRTP.simplify = "SIMPLIFY";

                        //ScrollToBottom("RasterToPolygon");

                        tGeoResult = (IGeoProcessorResult)tGp.Execute(tRTP, null);

                        if (tGeoResult.Status == ESRI.ArcGIS.esriSystem.esriJobStatus.esriJobSucceeded)

                        {

                            licenseStatus = m_AoInitialize.CheckInExtension(esriLicenseExtensionCode.esriLicenseExtensionCodeSpatialAnalyst);

                            {

                                ESRI.ArcGIS.DataManagementTools.SmoothPolygontSP = newESRI.ArcGIS.DataManagementTools.SmoothPolygon();

                                tSP.algorithm = "PAEK";

                                tSP.in_features = pWorkSpacePath + "a2_shp.shp";

                                tSP.out_feature_class = pWorkSpacePath + "a2_shp_smooth.shp";

                                tSP.tolerance = "2";

                                tSP.endpoint_option = "FIXED_ENDPOINT";

                                tSP.error_option = "FLAG_ERRORS";

                                ScrollToBottom("SmoothPolygon");

                                tGeoResult = (IGeoProcessorResult)tGp.Execute(tSP, null);

                            }

                        }

                    }

                }

                // arcengine liencesd 当使用高版本的liencesd在使用中，如果需要低版本的liencesd，需要动态签出liencesd，不然将不会执行成功！

               // writeMessage(tGp);

            }

            

            MessageBox.Show("ok");