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Dynamic Block Visibility Property


CadFrank

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Hi, I'm trying to figure out how to access The VisibiltyState Using C#

 

This is the code I found on Google Search :

 

[CommandMethod("DBP")]
       static public void DynamicBlockProps()
       {
           Document doc =
             Application.DocumentManager.MdiActiveDocument;
           Database db = doc.Database;
           Editor ed = doc.Editor;

           PromptStringOptions pso =
             new PromptStringOptions(
               "\nEnter dynamic block name or enter to select: "
             );

           pso.AllowSpaces = true;
           PromptResult pr = ed.GetString(pso);

           if (pr.Status != PromptStatus.OK)
               return;

           Transaction tr =
             db.TransactionManager.StartTransaction();
           using (tr)
           {
               BlockReference br = null;

               // If a null string was entered allow entity selection

               if (pr.StringResult == "")
               {
                   // Select a block reference

                   PromptEntityOptions peo =
                     new PromptEntityOptions(
                       "\nSelect dynamic block reference: "
                     );

                   peo.SetRejectMessage("\nEntity is not a block.");
                   peo.AddAllowedClass(typeof(BlockReference), false);

                   PromptEntityResult per =
                     ed.GetEntity(peo);

                   if (per.Status != PromptStatus.OK)
                       return;

                   // Access the selected block reference

                   br =
                     tr.GetObject(
                       per.ObjectId,
                       OpenMode.ForRead
                     ) as BlockReference;
               }
               else
               {
                   // Otherwise we look up the block by name

                   BlockTable bt =
                     tr.GetObject(
                       db.BlockTableId,
                       OpenMode.ForRead) as BlockTable;

                   if (!bt.Has(pr.StringResult))
                   {
                       ed.WriteMessage(
                         "\nBlock \"" + pr.StringResult + "\" does not exist."
                       );
                       return;
                   }

                   // Create a new block reference referring to the block

                   br =
                     new BlockReference(
                       new Point3d(),
                       bt[pr.StringResult]
                     );
               }

               BlockTableRecord btr =
                 (BlockTableRecord)tr.GetObject(
                   br.DynamicBlockTableRecord,
                   OpenMode.ForRead
                 );

               // Call our function to display the block properties

               DisplayDynBlockProperties(ed, br, btr.Name);

               // Committing is cheaper than aborting

               tr.Commit();
           }
       }

       private static void DisplayDynBlockProperties(
         Editor ed, BlockReference br, string name
       )
       {
           // Only continue is we have a valid dynamic block

           if (br != null && br.IsDynamicBlock)
           {
               ed.WriteMessage(
                 "\nDynamic properties for \"{0}\"\n",
                 name
               );

               // Get the dynamic block's property collection
               

               DynamicBlockReferencePropertyCollection pc =
                 br.DynamicBlockReferencePropertyCollection;

               

               // Loop through, getting the info for each property

               foreach (DynamicBlockReferenceProperty prop in pc)
               {
                   // Start with the property name, type and description
                   List<string> activeVisibility = new List<string>();
                   
                   if(prop.PropertyName == "Choisir")
                   {                        
                       ed.WriteMessage("\nProperty Type Code : " + prop.PropertyTypeCode.ToString());
                       ed.WriteMessage("\nProperty Value : " + prop.Value.ToString());
                       ed.WriteMessage("\nProperty UnitsType : " + prop.UnitsType.ToString());                        
                   }     
               }
           }
       }

 

The thing is the position of the visibilityState changes from different blocks.

 

Anyone have a suggestion to help me out?

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