How to correctly require my own DLL in ruby 1.9.1?

I made a example.dll by using SWIG with Visual C++ Express 2008 Edition
base on the ruby 1.9.1 p0 binary downloaded from Ruby website.

However, when I run require ‘example’ in my ruby codes, it always
complain following messages.

C:\Documents and Settings\davidlee\My Documents\Visual Studio
2008\Projects\test\Release>ruby test1.rb
test1.rb:1:in require': no such file to load -- example (LoadError) from test1.rb:1:in

I am sure my example.dll was already under the current working
directory.
Who can help me on this issue?
Thanks.

Hi,

At Fri, 27 Mar 2009 16:53:49 +0900,
David L. wrote in [ruby-talk:332239]:

C:\Documents and Settings\davidlee\My Documents\Visual Studio
2008\Projects\test\Release>ruby test1.rb
test1.rb:1:in require': no such file to load -- example (LoadError) from test1.rb:1:in

I am sure my example.dll was already under the current working
directory.

Rename it as example.so. 1.9 doesn’t use .dll extension
anymore.

Nobuyoshi N. wrote:

Hi,

At Fri, 27 Mar 2009 16:53:49 +0900,
David L. wrote in [ruby-talk:332239]:

C:\Documents and Settings\davidlee\My Documents\Visual Studio
2008\Projects\test\Release>ruby test1.rb
test1.rb:1:in require': no such file to load -- example (LoadError) from test1.rb:1:in

I am sure my example.dll was already under the current working
directory.

Rename it as example.so. 1.9 doesn’t use .dll extension
anymore.

It works just as you said.
Thanks a lot!