topic Problem with interaction SendStringToExecute and SetImpliedSelection in .NET Forum

Problem with interaction SendStringToExecute and SetImpliedSelection

Anonymous — Fri, 29 Jun 2012 10:29:58 GMT

Hallo,

i have an problem with interaction between SendStringToExecute and SetImpliedSelection.

In following example work the SetImpliedSelection fine without the SendStringToExecute,

but with the SendStringToExecute do SetImpliedSelection nothing.

Why??

Code:

        [CommandMethod("-SELTEST", CommandFlags.Transparent | CommandFlags.UsePickSet | CommandFlags.Redraw | CommandFlags.Modal)]
        public void SELTEST()
        {
            Autodesk.AutoCAD.EditorInput.Editor acEditor = Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.
                                                           MdiActiveDocument.Editor;
            Autodesk.AutoCAD.DatabaseServices.ObjectIdCollection acObjectIdCollection;
            if (acEditor.SelectImplied().Value != null)
            {
                Autodesk.AutoCAD.EditorInput.PromptSelectionResult acPromptSelectionResult = acEditor.SelectImplied();                
                if (acPromptSelectionResult.Status == Autodesk.AutoCAD.EditorInput.PromptStatus.OK)
                    acObjectIdCollection = new Autodesk.AutoCAD.DatabaseServices.ObjectIdCollection(acPromptSelectionResult.Value.GetObjectIds());
                else
                    acObjectIdCollection = new Autodesk.AutoCAD.DatabaseServices.ObjectIdCollection();
                
                // 2 Elements remove from selection for Check                              
                acObjectIdCollection.RemoveAt(0);
                acObjectIdCollection.RemoveAt(0);
                
                // ToArray
                Autodesk.AutoCAD.DatabaseServices.ObjectId[] oIDArray = new Autodesk.AutoCAD.DatabaseServices.ObjectId[acObjectIdCollection.Count];
                acObjectIdCollection.CopyTo(oIDArray,0);

                // SendCommand (without this sendcommand work the SetImpliedSelection fine)
                Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.SendStringToExecute("_zoom _a ", false, false, false);

                //Set SelectionSet
                acEditor.SetImpliedSelection(oIDArray); // don't work
            }
        }

regards Mario

Re: Problem with interaction SendStringToExecute and SetImpliedSelection

chiefbraincloud — Fri, 29 Jun 2012 15:46:31 GMT

Actually, the SetImpliedSelection Is working just fine. SendStringToExecute is Asynchronous, so your zoom command runs after the SetImpliedSelection, and clears the selection.

Re: Problem with interaction SendStringToExecute and SetImpliedSelection

Alexander.Rivilis — Fri, 29 Jun 2012 17:17:13 GMT

Instead of using SendStringToExecute("_ZOOM _A "); you can use ZoomExtents (or ZoomAll):

public static void ZoomExtents()
{
   object acad = Application.AcadApplication;
   acad.GetType().InvokeMember("ZoomExtents", BindingFlags.InvokeMethod, null, acad, null);
}

public static void ZoomAll()
{
   object acad = Application.AcadApplication;
   acad.GetType().InvokeMember("ZoomAll", BindingFlags.InvokeMethod, null, acad, null);
}

which can be done synchronously with your's code.

Re: Problem with interaction SendStringToExecute and SetImpliedSelection

chiefbraincloud — Fri, 29 Jun 2012 17:33:39 GMT

Thanks Alexander. I was going to suggest using a graphics system manager to manipulate the view, but it would require that he calculate the extents, which would obviously add a lot of code. I didn't think about invoking a COM call.

Re: Problem with interaction SendStringToExecute and SetImpliedSelection

Anonymous — Fri, 29 Jun 2012 20:49:34 GMT

Hallo,

for your notes, but the problem is not the "zoom" command. The example code is only a quick and dirty example.

In the Application i select the entities or use the pre-selection and take a user input for "new Elevation"

after this i calulate a new ucs and set the editor.currentucs (or smiliar, just i have no autocad).

Now i calling the "_plan " command to view planar to ucs, '(load "...")' the flatten.lsp with SendCommand.

Then i would like to set the "SetImpliedSelection" with the Objectidcollection from begin of the app and

lastly i calling the "flatten" command. (the origin flatten.lsp i have modify to complete silent)

On debug is set the editor.ImpliedSelection okay but on flatten comes to nothing.

I think ist a effect of the asynchronous for SendStringToExecute.

There is a synchronous variant of SendStringToExecute?

@Alexander:

On next Monday i test the : acad.GetType().InvokeMember for my Application.

until then a nice weekend.

regards Mario

Re: Problem with interaction SendStringToExecute and SetImpliedSelection

Alexander.Rivilis — Fri, 29 Jun 2012 21:10:19 GMT

@Anonymous wrote:

There is a synchronous variant of SendStringToExecute?

http://adndevblog.typepad.com/autocad/2012/04/synchronously-send-and-wait-for-commands-in-autocad-using-c-net.html

Re: Problem with interaction SendStringToExecute and SetImpliedSelection

_gile — Sat, 30 Jun 2012 18:17:00 GMT

Hi,

You can wrap the P/Invoked acedCmd in an helper 'Command' method. See here:

http://www.theswamp.org/index.php?topic=31886.msg460020#msg460020

Then use it as the LISP command function:

Command("_.circle", Point3d.Origin, 10.0);

Command("_.move", selSet, Point3d.Origin, new Point3d(10.0, 20.0, 0.0));

Re: Problem with interaction SendStringToExecute and SetImpliedSelection

Anonymous — Mon, 02 Jul 2012 02:36:35 GMT

Hello Alexander and _gile

the examples of "send synchronously commands" works fine.

But now i have one problem by send command '(load "C:/test.lsp")'.

AutoCAD response "LISP command not available"!?

How can i load the lsp-file?

When i load the lisp-file on appload automatically then don't find AutoCAD

the lispfunction, response "unknown command". But when i input the same

command in the AutoCAD-Commandline then works the command !?

regards Mario

Re: Problem with interaction SendStringToExecute and SetImpliedSelection

Anonymous — Mon, 02 Jul 2012 15:59:40 GMT

(load...) is not a command. The acedCmd() method only accepts commands and the input they request..

To execute LISP you could use acedEvaluateLisp() or acedInvoke() via P/Invoke.

Re: Problem with interaction SendStringToExecute and SetImpliedSelection

Anonymous — Mon, 02 Jul 2012 21:22:00 GMT

Tony T.

Are you the Tony T that is all over these boards and metioned in Jerry Winters book?

Re: ... i give up ...

Anonymous — Tue, 03 Jul 2012 01:43:58 GMT

... i give up ...

Now i have test all variants of send lisp-Command. No variant works for (load "abc.lsp").

And no synchron commandcalling-variant can call a lisp-exported command.

My Solution:

I load the lisp-file over "Appload" and call the lisp-exported function as lasted in my app over "SendStringToExecute".

This works.

Re: ... i give up ... but still found something

Anonymous — Tue, 03 Jul 2012 02:50:17 GMT

i have found in TheSwamp

When .net function set the "CommandFlags.Session" then works the

((Autodesk.AutoCAD.Interop.AcadApplication)Autodesk.AutoCAD.ApplicationServices.Application.AcadApplication).ActiveDocument.SendCommand(commandstring);

Synchronously. And does what i want.

regards ... over and out ...

Mario

Re: ... i give up ... but still found something

haw — Mon, 18 Feb 2019 16:21:30 GMT

Made my day! Thanks!