[Mono-list] Using P/Invoke

[Aaron Bockover]

Nevermind! I was going crazy, but apparently it helps to spell the name
of the function you wish to import. What I meant to say was
"gimp_pick_button_new". This code works fine now, with that change. Now
to figure out how to connect to signals.

--Aaron

On Fri, 2005-04-08 at 09:40 -0400, Aaron Bockover wrote:
> Hello, one area I haven't had much practice in with Mono is P/Invoke. I
> am trying to import a function from libgimp, so I can use a custom GTK
> widget in the library.
> 
> Here is what I've tried:
> 
> using System;
> using System.Runtime.InteropServices;
> using Gtk;
> using GLib;
> 
> public class GimpColorButton : Button
> {
>         [DllImport("/usr/lib/libgimpwidgets-2.0")]
>         static extern IntPtr gimp_color_button_new();
> 
>         public GimpColorButton() : base(IntPtr.Zero)
>         {
>                 base.Raw = gimp_color_button_new();
>         }
> 
>         ~GimpColorButton()
>         {
>                 Dispose();
>         }
> }
> 
> ...
> 
> Widget colorButton = new GimpColorButton();
> 
> As for the actual Gimp Library, I think maybe multiple libraries have to
> be loaded (libgimpcolor, libgimpui, etc.) So maybe I should write a
> wrapper C library that links in all the Gimp libraries, and then import
> that library into the C#? Regardless of the C library in question, is
> the C# above on the right track?
> 
> Thanks!
> 
> --Aaron Bockover
> 
> 
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