Heya fellas, I'm having some trouble updating an OpenTK-based GTK2/3 widget to pure GTK3. It works great on Linux, but on Windows (using the alpha installer for GTK#3) it fails to run.
All code relevant to my issue is available here: https://github.com/WowDevTools/Everlook In short, it's a drawing area onto which OpenGL draws its buffers. This widget is housed in a normal GTK3 UI created via Glade. The issue presents itself using gtk-sharp-2.99 on Windows 10. I've narrowed the problem down to a section in the code where the widget imports a native function from GDK, which allows it to get a drawable handle from the widget's window's handle. #region Windows Specific initalization > private IWindowInfo InitializeWindows() > { > IntPtr windowHandle = > gdk_win32_drawable_get_handle(this.Window.Handle); > return Utilities.CreateWindowsWindowInfo(windowHandle); > } > [SuppressUnmanagedCodeSecurity, DllImport("libgdk-win32-2.0-0.dll")] > public static extern IntPtr gdk_win32_drawable_get_handle(IntPtr d); > #endregion Now, this library does not exist in the new GTK3 installation, and has been renamed to libgdk-3-0.dll. I hoped it would be a simple matter of changing the dll import statement to match the new library name, but unfortunately I wasn't so lucky. gdk_win32_drawable_get_handle is no longer defined in the library, and I haven't managed to see any obvious replacements. I attempted to use gdk_win32_window_get_handle (which returned a valid handle) instead, but unfortunately this produced a GraphicsContextException instead when the context was made current. The exception message was equally unhelpful, and simply stated that it was unable to make the context current. If you know of the new way to get the handle of the drawable or another solution to the issue, I would greatly appreciate it. If this question is not applicable here, I would also very much appreciate some directions to where I could get a hand. Sincerely, Jarl
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