Autodesk Developer Blog : Setting layer color override for a viewport using AccoreConsole

<?xml encoding=”UTF-8″>By Balaji Ramamoorthy

Here is a code snippet to set the layer color override for the viewports in all the layouts in a drawing. AccoreConsole can be used to automate setting this override, if you need to repeat this for several drawings in a folder. Here is the AutoCAD script and the custom command to set the override for a layer named “Layer 1” :

 ;<--- Script starts here

 (command <span>"_.Netload"</span><span>  <span>"D:\\Temp\\CustomPlugin.dll"</span><span> )</span></span>

 SetLayerColorOverride

 SAVEAS

 D:\Temp\Test_1.dwg

 ;<--- Script ends here

 <span>using</span><span>  Autodesk.AutoCAD.Runtime; </span>

 <span>using</span><span>  Autodesk.AutoCAD.EditorInput; </span>

 <span>using</span><span>  Autodesk.AutoCAD.DatabaseServices; </span>

 <span>using</span><span>  Autodesk.AutoCAD.ApplicationServices; </span>

 <span>using</span><span>  Autodesk.AutoCAD.Colors;</span>

 [CommandMethod(<span>"SetLayerColorOverride"</span><span> )]</span>

 <span>public</span><span>  <span>void</span><span>  SetLayerColorOverride()</span></span>

 <span>{</span>

     DocumentCollection docs

     = Autodesk.AutoCAD.ApplicationServices

         .Core.Application.DocumentManager;

     Document doc = docs.MdiActiveDocument;

     Editor ed = doc.Editor;

     Database db = doc.Database;

     db.TileMode = <span>false</span><span> ;</span>

     LayoutManager lm = LayoutManager.Current;

     <span>using</span><span>  (Transaction tr </span>

         = db.TransactionManager.StartTransaction())

     <span>{</span>

         LayerTable lt = tr.GetObject(

             db.LayerTableId,

             OpenMode.ForWrite, <span>false</span><span> ) <span>as</span><span>  LayerTable;</span></span>

         String layerName = <span>"Layer1"</span><span> ;</span>

         <span>if</span><span>  (!lt.Has(layerName))</span>

             <span>return</span><span> ;</span>

         LayerTableRecord ltr = tr.GetObject(

             lt[layerName],

             OpenMode.ForWrite) <span>as</span><span>  LayerTableRecord;</span>

         <span>using</span><span>  (DBDictionary layoutDict = tr.GetObject(</span>

             db.LayoutDictionaryId,

             OpenMode.ForRead) <span>as</span><span>  DBDictionary)</span>

         <span>{</span>

             <span>foreach</span><span>  (DBDictionaryEntry entry <span>in</span><span>  layoutDict)</span></span>

             <span>{</span>

                 ObjectId layoutId = entry.Value;

                 Layout layout = tr.GetObject(

                     layoutId,

                     OpenMode.ForRead) <span>as</span><span>  Layout;</span>

                 lm.CurrentLayout = layout.LayoutName;

                 BlockTableRecord btr = tr.GetObject(

                     layout.BlockTableRecordId,

                     OpenMode.ForRead) <span>as</span><span>  BlockTableRecord;</span>

                 <span>foreach</span><span>  (ObjectId id <span>in</span><span>  btr)</span></span>

                 <span>{</span>

                     <span>if</span><span>  (id.ObjectClass </span>

                         == RXClass.GetClass(<span>typeof</span><span> (Viewport)))</span>

                     <span>{</span>

                         Viewport vp = tr.GetObject(

                             id, OpenMode.ForRead) <span>as</span><span>  Viewport;</span>

                         <span>if</span><span>  (vp != <span>null</span><span>  && vp.Number > 1)</span></span>

                         <span>{</span>

                             LayerViewportProperties lvp

                                 = ltr.GetViewportOverrides(id);

                             lvp.Color

                                 = Color.FromColorIndex(

                                 ColorMethod.ByAci, (<span>short</span><span> )vp.Number);</span>

                             vp.UpdateDisplay();

                         <span>}</span>

                     <span>}</span>

                 <span>}</span>

             <span>}</span>

         <span>}</span>

         tr.Commit();

     <span>}</span>

 <span>}</span>

Setting layer color override for a viewport using AccoreConsole

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