Re: [amibroker] OLE automation: How to set Param/ParamStr/ParamDate value?

Sun, 06 Aug 2006 09:40:28 -0700

Sending keystrokes would not be any faster than file based data transfer but surely less reliable.
 
If you are after BT/Explore just modify the FORMULA itself (set up some markers so you can easily parse the file,
this technique is used by IO, as far as I know). It is easy because AmIBroker automatically re-reads formula
if you call Backtest/Explore via automation.

Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: Mark H
Sent: Sunday, August 06, 2006 6:19 PM
Subject: Re: [amibroker] OLE automation: How to set Param/ParamStr/ParamDate value?

Thanks for all these ideas! (I haven't tried to flap my arms yet :-)
The AutoIT/ActiveX way takes more time since I am not familiar with VB.
A DLL plugin or ODBC is overkill for my purpose.
So I just used a plain file to transfer the parameters. To speed things up, I use static variables in the formula to control file access and cache values, so that it only needs to read the file once at the beginning of BT/Explore.
 
----- Original Message -----
From: dingo
Sent: Sunday, August 06, 2006 10:48 AM
Subject: RE: [amibroker] OLE automation: How to set Param/ParamStr/ParamDate value?

you could also fly if you flap your arms fast enough..
 
d

From: [EMAIL PROTECTED]ps.com [mailto:amibroker@yahoogroups.com] On Behalf Of Tomasz Janeczko
Sent: Sunday, August 06, 2006 10:46 AM
To: [EMAIL PROTECTED]ps.com
Subject: Re: [amibroker] OLE automation: How to set Param/ParamStr/ParamDate value?

Or... you can write a DLL plugin.
Or... write an Active X
Or... store your "dynamic" values in database and access them via ODBC plugin 

Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: dingo
Sent: Sunday, August 06, 2006 4:37 PM
Subject: RE: [amibroker] OLE automation: How to set Param/ParamStr/ParamDate value?

The way you describe is not that bad actually.
 
A more efficient way would be to use "AutoIT"  www.autoit.com  to click the buttons for you and enter the text.  It has an activeX component as well as a dll that you could use within your script or you could call an exe that it can build.
 
d

From: [EMAIL PROTECTED]ps.com [mailto:amibroker@yahoogroups.com] On Behalf Of Mark H
Sent: Sunday, August 06, 2006 12:05 AM
To: [EMAIL PROTECTED]ps.com
Subject: Re: [amibroker] OLE automation: How to set Param/ParamStr/ParamDate value?

Thanks dingo:
 
I am wondering what's the best way to pass parameters to a formula dynamically from JScript.
A way to do it is through a file: the script writes some dynamic values to a file and the AFL formula will reads and parses the file.
However, this would be slow and cumbersome.
Any suggestion will be appreciated,
 
- Mark
 
----- Original Message -----
From: dingo
Sent: Saturday, August 05, 2006 11:04 PM
Subject: RE: [amibroker] OLE automation: How to set Param/ParamStr/ParamDate value?

No.
 
d

From: [EMAIL PROTECTED]ps.com [mailto:amibroker@yahoogroups.com] On Behalf Of Mark H
Sent: Saturday, August 05, 2006 11:01 PM
To: [EMAIL PROTECTED]ps.com
Subject: [amibroker] OLE automation: How to set Param/ParamStr/ParamDate value?

I am writing an automation script but couldn't find a way to set values for Param/ParamStr/ParamDate etc. I can only use their default values.
Is there a way to set their values in JScript?
Thanks,
 
- Mark

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