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[amibroker] Re: OLE Quotations Retrieve with C#



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<hope my code helps someone else>

Sure has...just been starting to work out how to do the same...will use it to play around with watchlists.

thanks heaps
..


-- In amibroker@xxxxxxxxxxxxxxx, "angeld_1985" <angeld@xxx> wrote:
>
> So I found the solution, hope my code helps someone else.
> 
> ----- C# CODE -----
> 
>   public int Retrieve(int Count, 
>             ref DateTime[] Date,
>             ref float[] Open,
>             ref float[] High,
>             ref float[] Low,
>             ref float[] Close,
>             ref int[] Volume,
>             ref int[] OpenInt)
>         {
>             object[] ParamArray = new object[8];
>             ParamArray[0] = (long)Count;
>             ParamArray[1] = new VariantWrapper(Date);
>             ParamArray[2] = new VariantWrapper(Open);
>             ParamArray[3] = new VariantWrapper(High);
>             ParamArray[4] = new VariantWrapper(Low);
>             ParamArray[5] = new VariantWrapper(Close);
>             ParamArray[6] = new VariantWrapper(Volume);
>             ParamArray[7] = new VariantWrapper(OpenInt);
> 
>             //throw new NotImplementedException();
>             ParameterModifier p = new ParameterModifier(8);
> 
>             // Pass the first and third parameters by reference.
>             p[0] = false;
>             p[1] = true;
>             p[2] = true;
>             p[3] = true;
>             p[4] = true;
>             p[5] = true;
>             p[6] = true;
>             p[7] = true;
>             ParameterModifier[] mods = { p };
> 
>             int cnt = (int)ComParent.GetType().InvokeMember("Retrieve", BindingFlags.Default | BindingFlags.InvokeMethod,
>                         null,
>                         ComParent,
>                         ParamArray, mods, null, null);
> 
>             Date = (DateTime[])ParamArray[1];
>             Open = (float[])ParamArray[2];
>             High = (float[])ParamArray[3];
>             Low = (float[])ParamArray[4];
>             Close = (float[])ParamArray[5];
>             Volume = (int[])ParamArray[6];
>             OpenInt = (int[])ParamArray[7];
> 
>             return cnt;
>         }
> 
> ------ END CODE ----
> 
> --- In amibroker@xxxxxxxxxxxxxxx, "angeld_1985" <angeld@> wrote:
> >
> > I'm trying to write Amibroker COM wrapper in .net, and i stuck in 
> > implementation of Quotations.Retrieve method. 
> >
>




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