Example #1
0
        /// <summary>
        /// Append to Dest Feature Class. Auto map same field name.
        /// Filter export only objectID in listFilterObjectIDs of source FeatureClass.
        /// </summary>
        /// <param name="fclassSrc"></param>
        /// <param name="fclassDest"></param>
        /// <param name="listFilterObjectIDs"></param>
        public int Append(IFeatureClass fclassSrc, IFeatureClass fclassDest, List <int> listFilterObjectIDs)
        {
            if (fclassSrc == null)
            {
                return(0);
            }

            if (fclassDest == null)
            {
                throw new ArgumentNullException("fclassDest", "Destination FeatureClass must not be null.");
            }

            if (listFilterObjectIDs == null)
            {
                throw new ArgumentNullException("listFilterObjectIDs", "listFilterObjectIDs must not be null.");
            }

            if (listFilterObjectIDs.Count == 0)
            {
                return(0);
            }

            List <List <int> > listParts = CollectionUtil.SplitToParts(listFilterObjectIDs, 2000);
            int    part = 0;
            string sqlWhereIn;

            IQueryFilter   filter;
            IFeatureCursor ftCursorSrc = null;

            IFeature ftSrc;
            IFeature ftDest;

            // Make key Upper
            MakeAllDictConvertFieldValueKeyUpper();

            int count             = 0;
            int total             = listFilterObjectIDs.Count;
            int percent           = 0;
            int updateInterval    = PercentCallbackInterval;
            int nextUpdatePercent = updateInterval;

            try
            {
                foreach (var listObjectIDPart in listParts)
                {
                    part++;

                    sqlWhereIn = SqlUtil.CreateWhereIn(fclassSrc.OIDFieldName, listObjectIDPart);

                    filter             = new QueryFilterClass();
                    filter.WhereClause = sqlWhereIn;

                    ftCursorSrc = fclassSrc.Search(filter, false);

                    // Loop Src Record
                    while ((ftSrc = ftCursorSrc.NextFeature()) != null)
                    {
                        ftDest = fclassDest.CreateFeature();

                        // Graphic
                        CopyShapeFieldValue(ftSrc, ftDest);

                        // Attribute
                        CopyFieldsValue(ftSrc, ftDest);

                        // Save
                        ftDest.Store();

                        count++;

                        percent = CalPercent(count, total);
                        if (percent >= nextUpdatePercent)
                        {
                            ProgressCallback?.Invoke(percent);
                            nextUpdatePercent += updateInterval;
                        }
                    }
                }
            }
            finally
            {
                if (ftCursorSrc != null)
                {
                    ComReleaser.ReleaseCOMObject(ftCursorSrc);
                    ftCursorSrc = null;
                }
            }

            return(count);
        }