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public static void FindAllHatches()
    Document acDoc = Application.DocumentManager.MdiActiveDocument;
 var str=new StringBuilder();
    str.Append("\nSearching for Hatches");
    var db = acDoc.Database;
    using (Transaction transaction = db.TransactionManager.StartTransaction())
        ObjectId idModelSpace = SymbolUtilityServices.GetBlockModelSpaceId(db);
        BlockTableRecord modelSpace = transaction.GetObject(idModelSpace, OpenMode.ForRead) as
        foreach (var objId in modelSpace)
            var entity = transaction.GetObject(objId, OpenMode.ForRead);
            Hatch hatch = entity as Hatch;
            if (hatch == null)
                continue; //not hatch

           str.Append("\nFound Hatch Area={0}", hatch.Area);

What I have tried:

Hello this code gives me the output of the area of each hatch in the current drawing ,but problem is that the output overwrite on each other and i want to display each area seprately on my drawing.

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