Topic: Regen Acad, or Refresh entity ?

[T.Willey]

I'm trying to do something in C# that I coded in Lisp.  The lisp isn't very fast, so I thought it could be a good exercise to try it in C# since I haven't done any coding in awhile.  I think I have most of it working now, but I can't figure out how to regen the drawing to show the entities' current visible state.  I was hoping that this could be done in just C#, but from what I have read, it doesn't appear so.  I'm hoping someone can point me in the right direction, or confirm what I hope isn't true.  I'm still on '06, and using .Net 2.0.

Thanks in advance.

[Kerry]

not sure about 2006, but in 2010

public void Regen();
Declaring Type: Autodesk.AutoCAD.EditorInput.Editor
Assembly: acmgd, Version=18.0.0.0

/// kdub

[T.Willey]

I didn't see that option in '06, but will check again tomorrow at work.

Thanks Kerry.

[BillZndl]

Don't know if this will help you Tim
but I had to use these when changing the entity
highlighting inside block records and references,
otherwise the changes wouldn't show.

Might be worth a try.

Code: [Select]

foreach (ObjectId blid in blkRefIds)
{
BlockReference BlkRef = (BlockReference)tr.GetObject(blid, OpenMode.ForWrite);
BlkRef.RecordGraphicsModified(true);
tr.TransactionManager.QueueForGraphicsFlush();


[T.Willey]

Kerry - Didn't see it in '06 or even '08, so I'm not sure when it came in.

Bill - Tried that in a couple different ways, but didn't work here.  I'll keep looking to see if I can find a way.  Found your way over I see.  Good people here.  I'm sure you will like.

[ReneRam]

Hi Tim,
maybe I misunderstood the question, but to update the screen in my apps I do the following:

Code: [Select]

' Update Screen
Autodesk.AutoCAD.ApplicationServices.Application.UpdateScreen()

or

Code: [Select]

Dim myDWG as ApplicationServices.Document = ApplicationServices.Application.DocumentManager.MdiActiveDocument
Dim myDB as DatabaseServices.Database = myDWG.Database
Dim myEd as EditorInput.Editor = myDWG.Editor
' Update Editor
myEd.Regen()


Sorry it's Vb.Net, but I'm sure you can read it!
René

[Draftek]

Prior to '09 you can try method this on each object:

line.CloseAndPage(true);

Otherwise, your looking at Invoke an arx method.

[T.Willey]

Thanks guys.  When I get a chance today I will test both ideas.

[T.Willey]

Well I wasn't able to get it to work with '06.  I tried the ways listed here, and looked for some others, but I just couldn't find one.  I'm not sure if that will matter much, as we are moving to '09 soon.  Now the problem is that with '09 there is the regen method, but it doesn't regen the whole drawing.  I used the command in paper space with one viewport, and the viewport didn't regen.  I tried looking in the help, but I didn't see any way to get it to regen the whole drawing.  I don't know when I will get a chance to work on this again, maybe next week sometime, but just wanted to update people on what I tried, and how it turned out.

Thanks for the help.

[Bryco]

This seemed to do the trick

Code: [Select]

[CommandMethod("rall")]
        public static void RegenAll()
        {

            Document doc = acadApp.DocumentManager.MdiActiveDocument;
            Editor ed = doc.Editor;
            Database db = doc.Database;
            Viewport vp;
            using (Transaction tr = db.TransactionManager.StartTransaction())
            {
                LayoutManager lm = LayoutManager.Current;
                if (lm.CurrentLayout.ToLower() == "model") db.TileMode =false;
                lm.CurrentLayout = lm.CurrentLayout;
                Layout layout = tr.GetObject(lm.GetLayoutId(lm.CurrentLayout), OpenMode.ForRead) as Layout;
                ObjectIdCollection vpIds = layout.GetViewports();
                if (vpIds.Count <2) { ed.Regen(); return; }
                ed.SwitchToModelSpace();
                for (int i = 1; i < vpIds.Count; i++)
                {
                    vp = tr.GetObject(vpIds[i], OpenMode.ForWrite) as Viewport;
                    ed.SwitchToModelSpace();
                    acadApp.SetSystemVariable("Cvport", vp.Number);                 
                    ed.Regen();
                    ed.SwitchToPaperSpace();
                }
                tr.Commit();
            }

        }

[Kerry]

Tim ;  Bryce,

I just checked some old DLL's
The Editor.Regen in available from AC2007, not in AC2006.

Regards
Kerry

[It's Alive!]

as suggested by Draftek , just p/invoke ads_regen. the function is exported so it should be compatible across all versions of acad 

Code: [Select]

namespace ExecMethod
{
 public class Commands
 {
  [DllImport("acad.exe", CallingConvention = CallingConvention.Cdecl)]
  static internal extern int ads_regen();

  [CommandMethod("doit")]
  static public void Doit()
  {
   ads_regen();
  }
 }
}


[Kerry]

I just came back to post similar code

[It's Alive!]

... I used the command in paper space with one viewport, and the viewport didn't regen...
Thanks for the help.

I think the problem may be that your layouts are cached, I don't recall if I ever found a way around this

[It's Alive!]

How about SendStringToExecute 

Code: [Select]

[CommandMethod("doit")]
  static public void Doit()
  {
   try
   {
    AcAp.Application.DocumentManager.
     MdiActiveDocument.SendStringToExecute
       ("REGENALL ", true, false, false);
   }
   catch (System.Exception ex)
   {
    AcAp.Application.DocumentManager.
      MdiActiveDocument.Editor.WriteMessage
       ("\n{0}\n{1}", ex.Message, ex.StackTrace);
   }
  }