Heya Steve,
Thanks for providing this example, and I'd be very interested in working with C# through Amibroker! I've given this a go and it compiles but doesn't work as a plugin as-is. Did you have to implement the getplugininfo( ) functions for this to work?
--- In amibroker@xxxxxxxxx ps.com, Steve Wong <swstevewong38@ ...> 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-F47B99B7F18 B"),
> 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-D5B1F1AC76B 7"),
> ProgId("csharp. amlib1"),
> ClassInterface( ClassInterfaceTy pe.None),
> ComDefaultInterface (typeof(IMyAmPlu gin1)),
> 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@xx .>
> To: amibroker@xxxxxxxxx ps.com
> 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@xxxxxxxx u 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.amibroke r.com/feedback/
> > (submissions sent via other channels won't be considered)
> >
> > For NEW RELEASE ANNOUNCEMENTS and other news always check DEVLOG:
> > http://www.amibroke r.com/devlog/
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
>