Error in use of command

Hi members
I put a command in an opendcl button event click but in runtime an error
appears in Autocad prompts .
When I put this command outside of click event in top of my program it
works correctly , I want my Command to be inside of event click body
, what must I do ?

Hi,

author=Nima2018 link=topic=2591.msg12835#msg12835 date=1524072909 wrote:
Hi members
I put a command in an opendcl button event click but in runtime an error
appears in Autocad prompts .
When I put this command outside of click event in top of my program it
works correctly , I want my Command to be inside of event click body
, what must I do ?

without knowing your exact code I think this FAQ may help you.
http://opendcl.com/forum/index.php?topic=1080.0
Regards, Fred

Hi,

You can not use command calls in events ( action_tile ) but you can replace the command with a function if available.
What's the command name that you are trying to use in the event?

Similar issue here: http://opendcl.com/forum/index.php?topic=2556.msg12677#msg12677

Hi All
First of all, I thanks for your hints and reply , I learned a lot about "OPENDCL" programming in your points and links.
I really want to bring and execute an assembly that I have created in C# by the following commands :

(command "load" (findfile "myAssembly.dll")

(command "HTS")

;; HTS is command method in myAssembly.dll

When I cut (command "load" (findfile "myAssembly.dll") and paste it top of my program, all routines work but when this command is inside event button onclick,
at the prompt line I get and error !?
And in the case of the second command too , I must change it to below one to get rid of the error :

(princ)

(princ "\nType 'HTS' for execution")

(princ)

I think this is not a good method at all, and there must be a better and more effective one that I do not know about it.

Hi,
Try to use the function vla-sendcommand in lieu of command call.

Let me know if that function works for you.

Dear Tharwat Thanks for your advice.
I used the following instructions on the advice of you :

(vla-sendcommand "load" (filefind "myAssembly.dll"))

(vla-sendcommand "HTS")

And this time I saw this error on the command line:  ;error : bad argument type : VLA-OBJECT "load"

Please try it like the following:

(if (setq file (findfile "myAssembly.dll"))

  (vla-SendCommand (vla-get-ActiveDocument (vlax-get-acad-object)) (strcat "LOAD " file))

  )