Accessing Enumeration in IronRuby

Ruby IronRuby
1

Hi,

I am using IR to do some IronRuby programing and enjoying it!

I created a Form like this:

Form = System::Windows::Forms::Form
form = Form.new
form.ShowDialog()

Now, I need to assign BackColor to the Form. I tried the following:

form.BackColor = System::Drawing::Color::DeekPink

But it is not able to recognize the Color class.

form.BackColor = System::Drawing::Color::DeepPink
:0:in `const_missing’: uninitialized constant
System::Drawing::Color::DeepPink (
NameError)
from :0

Any ideas!

2

try System::Drawing::Color.deep_pink :slight_smile:

Met vriendelijke groeten - Best regards - Salutations
Ivan Porto C.
Blog: http://flanders.co.nz
Twitter: http://twitter.com/casualjim
Author of IronRuby in Action (http://manning.com/carrero)

3

Thanks it worked!

But why the inconsistency with the deep_pink instead of DeepPink?

4

You’re close; you want “System::Drawing::Color.DeepPink”.

5

IronRuby does “name mangling” on many methods to look more Rubyish. The
standard idiom in Ruby is to have methods with snake_case names, so this
fits with that. Both DeepPink and deep_pink should work in this case.

JD

…there is no try

6

Curt H. wrote:

You’re close; you want “System::Drawing::Color.DeepPink”.

Thanks Curt! It worked out :slight_smile:

7

So what is up with naming conventions… are it ruby naming conventions
or
CLR naming conventions?
I’m going to argue in favor of ruby naming conventions.
Is there going to be a definitive list for this? (naming conventions
being a
pet peeve of mine)

Met vriendelijke groeten - Best regards - Salutations
Ivan Porto C.
Blog: http://flanders.co.nz
Twitter: http://twitter.com/casualjim
Author of IronRuby in Action (http://manning.com/carrero)

8

Not sure what you mean. For .NET methods on most types, we mangle both
ways. You can call deep_pink or DeepPink. There are certain CLR classes
(ones that map to Ruby Builtins) that don’t mangle to avoid conflicts,
but for the most part, it is up to the developer.

That said, I prefer to stick with what I see as the Ruby community
coding standards:

· 2 space indent

· snake_case method names

· parenthesis for method definitions

· no parenthesis for method calls unless it is chained or
ambiguous

And others listed on this page
http://www.caliban.org/ruby/rubyguide.shtml

JD

…there is no try

From: [email protected]
[mailto:[email protected]] On Behalf Of Ivan Porto
Carrero
Sent: Tuesday, June 16, 2009 9:24 AM
To: [email protected]
Subject: Re: [Ironruby-core] Accessing Enumeration in IronRuby

So what is up with naming conventions… are it ruby naming conventions
or CLR naming conventions?

I’m going to argue in favor of ruby naming conventions.
Is there going to be a definitive list for this? (naming conventions
being a pet peeve of mine)

Met vriendelijke groeten - Best regards - Salutations
Ivan Porto C.
Blog: http://flanders.co.nz
Twitter: http://twitter.com/casualjim
Author of IronRuby in Action (http://manning.com/carrero)

On Tue, Jun 16, 2009 at 6:10 PM, Curt H.
<[email protected]mailto:[email protected]> wrote:
You’re close; you want “System::Drawing::Color.DeepPink”.

9

I was also a bit short in my answer… realised I was running late for a
meeting with a guy about cash-bootstrapping my new business; not exactly
what I want to be running late for :slight_smile:
I do prefer the ruby naming conventions too :slight_smile: I just want to document
those things properly in the book so that there are no surprises.
Something
like: I advice to use ruby naming conventions except in the following
cases…

I guess the exceptions will be on the wiki

Met vriendelijke groeten - Best regards - Salutations
Ivan Porto C.
Blog: http://flanders.co.nz
Twitter: http://twitter.com/casualjim
Author of IronRuby in Action (http://manning.com/carrero)

10

Without thinking, I just used the same convention as the original
question and didn’t mean to imply anything by it. I mostly live in other
languages, so it didn’t even stand out.

From: [email protected]
[mailto:[email protected]] On Behalf Of Ivan Porto
Carrero
Sent: Tuesday, June 16, 2009 9:24 AM
To: [email protected]
Subject: Re: [Ironruby-core] Accessing Enumeration in IronRuby

So what is up with naming conventions… are it ruby naming conventions
or CLR naming conventions?

I’m going to argue in favor of ruby naming conventions.
Is there going to be a definitive list for this? (naming conventions
being a pet peeve of mine)

Met vriendelijke groeten - Best regards - Salutations
Ivan Porto C.
Blog: http://flanders.co.nz
Twitter: http://twitter.com/casualjim
Author of IronRuby in Action (http://manning.com/carrero)

On Tue, Jun 16, 2009 at 6:10 PM, Curt H.
<[email protected]mailto:[email protected]> wrote:
You’re close; you want “System::Drawing::Color.DeepPink”.