Re: [wxlua-users] wxLua apperantly not giving the window frame to functions defined in frame:Connect()

[John L. <jla...@gm...>]

On Wed, Feb 27, 2013 at 7:29 PM, Mitchell Monahan
<soc...@gm...> wrote:
> Hello, when I use the code that is on http://wxlua.sourceforge.com (here is
> the code in case you forgot:)
>
> frame = wx.wxFrame(wx.NULL, wx.wxID_ANY, "wxLua Minimal Demo",
>                    wx.wxDefaultPosition, wx.wxSize(450, 450),
>                    wx.wxDEFAULT_FRAME_STYLE)
...
> --------------------------------------
> I  get an error when I go to help --> about(in it's own window):
> Lua: Error while running chunk
> E:\lua\wxLua\init.lua:38: wxLua: expected a 'wxWindow'
> for parameter 4, but got a 'nil'.
> Function called: 'wxMessageBox(string,string,number,nil)'
> 01. wxMessageBox([string,string,number,wxWindow,number,number])
> stack traceback:
>         [C]: in function 'wxMessageBox'
>         E:\lua\wxLua\init.lua:38: in function
> <E:\lua\wxLua\init.lua:37>
>        [C]: in function 'MainLoop'
>         C:\Program Files (x86)\Lua\5.1\lExecuter.wlua:799: in
> function '__main'
>         C:\Program Files (x86)\Lua\5.1\lExecuter.wlua:802: in main
> chunk
>         [C]: ?

I don't understand how/why the frame variable is nil in the callback?

> Yes, I did start this in the lexecutor that was included with Lua for
> Windows, and I am also using the wxLua that was included with Lua for
> Windows.

I don't know about lexecutor or much about Lua for Windows.

The code runs fine using the official wxLua binaries here:
http://sourceforge.net/projects/wxlua/files/wxlua/

Regards,
    John