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In this case, I presume default values can only be of type float. I can't have type char* as defaults, can I?
/Paul.
--- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@xxx> wrote:
>
> Hello,
>
> Yes. In fact these functions are not special.
> They take fixed number of params, but they define
> default values for all those missing params as Null (EMPTY_VAL),
> then at run time the function checks for Nulls.
> That's all, no magic here.
>
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message -----
> From: "Paul Ho" <paul.tsho@xxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Saturday, August 15, 2009 6:17 PM
> Subject: [amibroker] Re: ADK printf
>
>
> > is it possible to write dll functions that takes variable no of arguments similiar yo printf
> > /paul
> > --- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <groups@> wrote:
> >>
> >> Hello,
> >>
> >> AmiBroker ADK requires you to pass the number of arguments regardless.
> >> The magic value for printf call is 21.
> >>
> >> AmiVar vars[ 21 ];
> >>
> >> SiteInterface.CallFunction( "printf", 21, vars );
> >>
> >> You need to fill all unused vars with EMPTY_VAL .
> >>
> >> Best regards,
> >> Tomasz Janeczko
> >> amibroker.com
> >> ----- Original Message -----
> >> From: "Paul Ho" <paul.tsho@>
> >> To: <amibroker@xxxxxxxxxxxxxxx>
> >> Sent: Saturday, August 15, 2009 4:55 PM
> >> Subject: [amibroker] Re: ADK printf
> >>
> >>
> >> > When functions of variable arguments are implemented. the three dots as in printf(const char*str, ...) tells the compiler not
> >> > to
> >> > do any parsing of arguments but simply pass all arguments as a block of memory on the stack pointed to by str. However this is
> >> > intercepted by Amibroker's wrapper codes that is reinforcing the ArgsTable and NumArg protocol. I reckon if you copy all your
> >> > arguments as a single block of memory pointed to by a char pointer and make Args.string = charptr and use the CallFunction with
> >> > this 1 argument, The printf on the other side may be waiting for it.
> >> > Let us know if this work
> >> > Havent tried it myself though.
> >> > /Paul.
> >> > --- In amibroker@xxxxxxxxxxxxxxx, "Julian" <juliangoodsell@> wrote:
> >> >>
> >> >> How do you call this function from the ADK?
> >> >>
> >> >> SiteInterface.CallFunction("printf", ?, ?);
> >> >> I get invalid number of arguments.
> >> >>
> >> >> Is there another way to write to the Interpretation window?
> >> >>
> >> >> Jules.
> >> >>
> >> >
> >> >
> >> >
> >> >
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