Mach3 ActiveX

[D60]

Hello Experts,

I am in trouble with an ActiveX Call.  Given an application called: Mach3 a CNC program. Link: http://www.machsupport.com/downloads.php     Mach3 R3.043.066

I would like to interface it with LabVIEW via ActiveX. I found a similar topic in NI forum but the questioner uses LabWindows/CVI. Link: http://forums.ni.com/t5/LabWindows-CVI/ActiveX-controller-methods-import-as-callbacks/td-p/1038846

After installing the Mach3 on WindowsXP 32Bit, I found the tlb file that can be used for ActiveX calls under the following path: C:\Mach3\Mach4.tlb.

When I check : "Show Creatable Object Only" I can not see the complete list of ActiveX calls and function returns an error: 

Class is not registered.

I've registered the Mach4.tlb file with regtlb.exe under Windows\.NET\Framework without any success.

Selecting IMyScriptObject to open, the ActiveX calls appeared but I always got an error message: Object specified is not creatable in ... 

Could you give me some help how to go on? Looking forward you kind reply!

[ValkoA · Accepted solution]

Hi!

I've downloaded the current versin of Mach3. What worked for me was:

1. Restarting computer after installing Mach3.

1. Make sure Mach3 is running in the background, without that, class objects we not available.

2. Create an Automation Open, with a constant as the input.

4. Browse for object class, select:

5. There's a handful of methods available for that particular class. This code checks the revision nr.:

This is what I was capable of reaching via LV ActiveX.

Hope this helps.

Regards:

Andrew Valko

NI Hungary

[D60]

Thank you so much for your help. I have tried something similar to your code, but Mach3 was not running. You are great!

[yashwnth]

HI, I am also working on the same thing. 

But I need to use the functions which are in  the non-creatable classes IMyscriptobject. 

from the this earlier post  on Lbawindows CVI , http://forums.ni.com/t5/LabWindows-CVI/ActiveX-controller-methods-import-as-callbacks/td-p/1038846

I  understand that we need the following steps(correct me if am wrong)

// get Imach4(which we do when we invoke node after giving the refunm and autmation open)

   Mach4_ActiveIMach4 ("c:\\Mach3\\Mach3.exe", 1, LOCALE_NEUTRAL, 0, &MachHandle);

//get SprictObjectHandle  using GetScript Dispatch ( we have this function in Ithe node IMach4 we created earlier)
    Mach4_IMach4GetScriptDispatch (MachHandle, NULL, &ScriptObjectHandle);

// get the final function needed from scriptobjecthandle.
    Mach4_IMyScriptObjectCode (ScriptObjectHandle, NULL, "G20 x-1 z-1 y-1");

How can we do this is Labview (with just the GUIs)

For example, I want to use DoOemButton(135) . How would I do that. 

Thanks in advance.

[쿠쿠다스]

hello 

i also same problem have

Mach3 ActiveX use make Labview VI

i find your Answer  

then i try make Same make ,

if run exec Mach3.exe just run......

i just want use dll.. but can't?

Please help your answer

[Schliepe]

I found additional information that might be helpful here.  On the NewFangled Solutions MachSupport forum I found this post that also explains how to get more useful features out of the ActiveX object in LabVIEW.  

It was posted by a user SamZ at https://www.machsupport.com/forum/index.php?topic=23525.msg165202#msg165202

I hope this helps someone else.

[asap01]

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