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C# ESRI.FeatureCount方法代码示例

本文整理汇总了C#中ESRI.FeatureCount方法的典型用法代码示例。如果您正苦于以下问题:C# ESRI.FeatureCount方法的具体用法?C# ESRI.FeatureCount怎么用?C# ESRI.FeatureCount使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在ESRI的用法示例。


在下文中一共展示了ESRI.FeatureCount方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: EmptyFeatureClass

        public bool? EmptyFeatureClass(ESRI.ArcGIS.Geodatabase.IFeatureClass FeatureClass)
        {
            ESRI.ArcGIS.Geodatabase.ITable featureClassTable = null;

              try
              {
            //  Determine the number of features in the Feature Class.
            int startingFeatureCount = FeatureClass.FeatureCount(null);

            //  QI to the Feature Class Table and delete the records from it.
            featureClassTable = (ESRI.ArcGIS.Geodatabase.ITable)FeatureClass;
            featureClassTable.DeleteSearchedRows(null);

            //  Make sure all of the records were deleted.
            if (featureClassTable.RowCount(null) != 0)
            {
              //  Let the user know that the records could not be deleted.
              if (ErrorMessage != null)
              {
            ErrorMessage("Could not delete the data from the Feature class!");
              }

              //  Return FALSE to the calling method to indicate that the delete failed.
              return false;

            }

            //  Let the User know that the records were deleted.
            if (ProcessMessage != null)
            {
              ProcessMessage("      - Deleted " + startingFeatureCount.ToString() + " features from the Feature Class...");

            }

            //  If the process made it to here, it was successful so return TRUE to the calling method.
            return true;

              }
              catch (System.Exception caught)
              {
            //  Determine the Line Number from which the exception was thrown.
            System.Diagnostics.StackTrace stackTrace = new System.Diagnostics.StackTrace(caught, true);
            System.Diagnostics.StackFrame stackFrame = stackTrace.GetFrame(stackTrace.FrameCount - 1);
            int lineNumber = stackFrame.GetFileLineNumber();

            //  Let the User know that this process failed.
            if (ErrorMessage != null)
            {
              ErrorMessage("The MaintTools.FeatureClassUtilities.CompressFileGeoDB() Method failed with error message:  " + caught.Message + " (Line:  " + lineNumber.ToString() + ")!");
            }

            //  Return NULL to the calling routine to indicate that this process failed.
            return null;

              }
              finally
              {
            //  If the Feature Class Table Object was Instantiated, close it.
            if (featureClassTable != null)
            {
              featureClassTable = null;
            }

              }
        }
开发者ID:MitchVan,项目名称:DataMaintenanceUtilities,代码行数:65,代码来源:FeatureClassUtilities.cs


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