[fpc-pascal] Parameters to Format()

Michael Van Canneyt michael at freepascal.org
Fri May 25 11:53:42 CEST 2012

On Fri, 25 May 2012, Mark Morgan Lloyd wrote:

> How should I put this?
> procedure TUnyokedFrontendForm.OutputWriteF(const str: widestring; values: 
> array of variant; fg: TColor= clBlack; bg: TColor= clDefault);
> var     scratch: widestring;
> begin
>  scratch := Format(str, values);
> As above, I get
> unyokedfrontendcode.pas(354,32) Error: Incompatible type for arg no. 2: Got 
> "Open Array Of Variant", expected "Array Of Const"
> I was caught by this one years ago, and at the time the Delphi developers I 
> was in contact with had no easy solution.

That's because there is no easy solution.

Format uses a different array type, they are not variants. 
You'll have to convert the arrays.


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