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[amibroker] Re: Amibroker Plugin C# template? Anyone?



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Happened to be doing something related this morning and recalled a common issue.  Suggest that you check the following menu -

Project / ClassLibrary3 Properties / ClassLibrary3 / Build 

Make sure that "Register for COM interop" is checked near the bottom.


-- BruceR


--- In amibroker@xxxxxxxxxxxxxxx, Steve Wong <swstevewong38@xxx> wrote:
>
> Hello, 
> 
> below is my experimental c# code to illustrate the original VB IIR2 example and the VExampleMA from the ADK. 
> from the Amibroker side the object creation in AFL will be: 
> 
> myobj = CreateObject("csharp.amlib1"); 
> //call method 
> iir2 = myobj.IIR2(Close, 0.2,1.2,-0.4); 
> //calling Windows Forms 
> myobj.ShowDialog("AFL called me"); 
> 
> // c# below 
> using System;
> using System.Runtime.InteropServices;
> namespace ClassLibrary3
> {
>     [
>         Guid("16308AFC-FB7E-4cc6-9A3B-F47B99B7F18B"),
>         InterfaceType(ComInterfaceType.InterfaceIsDual),
>         ComVisible(true)
>     ]
>     public interface IMyAmPlugin1
>     {
>         [DispId(1)]
>         string HelloAmibroker();
>         [DispId(2)]
>         int ShowDialog(string msg);
>         [DispId(3)]
>         object IIR2( object input, float f0, float f1, float f2);
>         [DispId(4)]
>         object MyExampleMA(object input, int range); 
>     };
>     [
>         Guid("4328EB81-CFFF-423b-B1B4-D5B1F1AC76B7"),
>         ProgId("csharp.amlib1"),
>         ClassInterface(ClassInterfaceType.None),
>         ComDefaultInterface(typeof(IMyAmPlugin1)),
>         ComVisible(true)
>     ]
>     public class Class1 : IMyAmPlugin1
>     {
>         private const float EMPTY_VAL = -1e10f;
>          public string HelloAmibroker()
>         {
>             return "Hello Amibroker, I'm from C#";
>         }
>         public int ShowDialog(string msg)
>         {
>  
>             System.Windows.Forms.MessageBox.Show(msg, "");
>             return 0;
>         }
>         public object IIR2(object input, float f0, float f1, float f2)
>        {
>             object[] inputArray = (object[]) input;
>             object[] outputArray = inputArray;
>             outputArray[0] = inputArray[0];
>             outputArray[1] = inputArray[1];
>             for (int i = 2; i < inputArray.Length; i++)
>             {
>                outputArray[i] = f0 * Convert.ToSingle(inputArray[i]) + 
>                    f1 * Convert.ToSingle(outputArray[i - 1]) + f2 * Convert.ToSingle(outputArray[i - 2]);
>             }
>             return outputArray ;
>         }
>         private int SkipEmptyValues(int nSize, object[] srcArray, object[] result)
>         {
>             int i; 
>             for (i = 0; i < nSize && (Convert.ToSingle(srcArray[i]) == EMPTY_VAL); i++)
>             {
>                 result[i] = EMPTY_VAL;
>             }
>             return i; 
>         }
>         public object MyExampleMA(object input, int range)
>         {
>             object[] inputArray = (object[]) input;
>             int nSize = inputArray.Length;
>             object[] result = new object[nSize]; 
>             int j = SkipEmptyValues(nSize, inputArray, result);
>             for (int i = j; i < nSize; i++)
>             {
>                 if (i < j + range)
>                 {
>                     result[i] = EMPTY_VAL;
>                     continue;
>                 }
>                 float sum = 0.0f;
>                 for (int k = 0; k < range; k++)
>                 {
>                     sum += Convert.ToSingle(inputArray[i - k]);
>                 }
>                 result[i] = sum / range;
>             }
>             return result; 
>         }
>     }
> }
> 
> Regards
> SW
> 
> 
> 
> ________________________________
> From: Yofa <jtoth100@xxx>
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Monday, May 4, 2009 4:06:32 AM
> Subject: Re: [amibroker] Amibroker Plugin C# template? Anyone?
> 
> 
> 
> 
> 
> Hi Dan,
> 
> 1. make the c# code a "COM visible" component.
> 2. Register it on the AB machine.
> 3. write c++ plugin to access it as a COM component. (Use ADK)
> 
> Y
> 
> ------------ --------- --------- --------- --------- --
> From: "ccr1der" <dan@xxxxxxxx com>
> Sent: Thursday, April 30, 2009 7:46 AM
> To: <amibroker@xxxxxxxxx ps.com>
> Subject: [amibroker] Amibroker Plugin C# template? Anyone?
> 
> > Does anyone have a C# based template for AB plugins? Has anyone ever 
> > compiled a C# plugin for AB? I have a very important piece of code in C# 
> > that I need accessible from within AB, and while I'm not at all well 
> > versed in C#, I'm willing to take a stab at trying to get this to work.... 
> > but I need some kind of a starting point?
> >
> > Any help would be greatly appreciated. Thanks.
> >
> > -Dan
> >
> >
> >
> >
> > ------------ --------- --------- ------
> >
> > **** IMPORTANT PLEASE READ ****
> > This group is for the discussion between users only.
> > This is *NOT* technical support channel.
> >
> > TO GET TECHNICAL SUPPORT send an e-mail directly to
> > SUPPORT {at} amibroker..com
> >
> > TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
> > http://www.amibroker.com/feedback/
> > (submissions sent via other channels won't be considered)
> >
> > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> > http://www.amibroker.com/devlog/
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
>




------------------------------------

**** IMPORTANT PLEASE READ ****
This group is for the discussion between users only.
This is *NOT* technical support channel.

TO GET TECHNICAL SUPPORT send an e-mail directly to 
SUPPORT {at} amibroker.com

TO SUBMIT SUGGESTIONS please use FEEDBACK CENTER at
http://www.amibroker.com/feedback/
(submissions sent via other channels won't be considered)

For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
http://www.amibroker.com/devlog/

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