Actually, the problem is more likely that RGtk2 is not built against GTK+
2.12 on Windows. I assume you're using an up-to-date version of R. I'll ask
Uwe about getting a newer version of GTK+.

On Mon, Mar 8, 2010 at 7:29 PM, Wincent <ronggui.huang@gmail.com> wrote:

> Dear Michael, thanks. I have installed gtk+ 2-12.9 revision 2 from
> http://gladewin32.sourceforge.net/, it still doesn't work.
> I tried gtk2-runtime-2.16.6-2010-02-24-ash.exe from
> http://gtk-win.sourceforge.net/home/index.php/en/Downloads, it did not
> solve the issue neither.
>
> Could you please give me more hints?  My OS is windows vista.
>
> Regards
>
> Ronggui
>
> On 26 October 2009 23:27, Michael Lawrence <mflawren@fhcrc.org> wrote:
> > Hi and sorry for the late reply. The Gdk library is part of the GTK+
> bundle
> > (GTK+, Gdk and GdkPixbuf are distributed together and have synchronized
> > versions). So you'll just need GTK+ 2.12 or higher.
> >
> > Michael
> >
> > On Tue, Oct 20, 2009 at 8:16 AM, Ronggui Huang <ronggui.huang@gmail.com>
> > wrote:
> >>
> >> Dear all,
> >>
> >> I try to use RGtk2:::gdkColorToString, but it throws an error:
> >> Error in .RGtkCall("S_gdk_color_to_string", object, PACKAGE = "RGtk2") :
> >>  gdk_color_to_string exists only in Gdk >= 2.12.0
> >>
> >> I know what it means, but don't know to solve this problem because I
> >> don't know where I can download the referred gdk library. Any
> >> information? Thank you.
> >>
> >> --
> >> HUANG Ronggui, Wincent
> >> Doctoral Candidate
> >> Dept of Public and Social Administration
> >> City University of Hong Kong
> >> Home page: http://asrr.r-forge.r-project.org/rghuang.html
> >
> >
>
>
>
> --
> Wincent Ronggui HUANG
> Doctoral Candidate
> Dept of Public and Social Administration
> City University of Hong Kong
> http://asrr.r-forge.r-project.org/rghuang.html
>

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