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comp.lang.ruby

win32ole help

Ernest Ellingson

7/7/2005 2:16:00 AM

I'm trying to use winHTTPRequest (a com object) in Ruby. But I'm having
a problem setting the value of a property.

Here's some VB code

Dim web
Const WinHttpRequestOption_EnableRedirects = 6
Set web = CreateObject("WinHttp.WinHttpRequest.5.1")
web.Option(WinHttpRequestOption_EnableRedirects) = False


The last line is what I'm trying to accomplish with Ruby.
Here's the Ruby code

require 'win32ole'
WinHttpRequestOption_EnableRedirects = 6
web = WIN32OLE.new("WinHttp.WinHttpRequest.5.1")
web.Option(WinHttpRequestOption_EnableRedirects)= false This line
results in a sytax error.

The PickAxe book clains you can set and get properties using normal Ruby
hash notation. But for the life of me I haven't been able to figure out
just what that notation should look like.

Does anyone have a clue?

Ernie
5 Answers

Pit Capitain

7/7/2005 5:59:00 AM

0

Ernest Ellingson schrieb:
> web.Option(WinHttpRequestOption_EnableRedirects)= false
> This line results in a sytax error.
>
> The PickAxe book clains you can set and get properties using normal Ruby
> hash notation. But for the life of me I haven't been able to figure out
> just what that notation should look like.

Hash notation would be

web.Option[ WinHttpRequestOption_EnableRedirects ] = false

Regards,
Pit

Ernest Ellingson

7/7/2005 6:09:00 AM

0

Pit Capitain wrote:
> Ernest Ellingson schrieb:
>
>> web.Option(WinHttpRequestOption_EnableRedirects)= false
>> This line results in a sytax error.
>>
>> The PickAxe book clains you can set and get properties using normal
>> Ruby hash notation. But for the life of me I haven't been able to
>> figure out just what that notation should look like.
>
>
> Hash notation would be
>
> web.Option[ WinHttpRequestOption_EnableRedirects ] = false
>
> Regards,
> Pit
>
>
Thanks Pit, but that doesn't do it. I had tried that notation but I get
this

C:/RubyScripts/postFrostHTTP.rb:4:in `method_missing': Option
(WIN32OLERuntimeError)
OLE error code:80020004 in <Unknown>
<No Description>
HRESULT error code:0x80020004
Parameter not found. from C:/RubyScripts/postFrostHTTP.rb:4



Ernie

daz

7/7/2005 6:49:00 AM

0



Ernest Ellingson wrote:
>
> require 'win32ole'
> WinHttpRequestOption_EnableRedirects = 6
> web = WIN32OLE.new("WinHttp.WinHttpRequest.5.1")
> web.Option(WinHttpRequestOption_EnableRedirects)= false # syntax error
>

EDIT (was same reply as Pit gave)

I don't have WinHttp on this machine so I can't check this.

> C:/RubyScripts/postFrostHTTP.rb:4:in `method_missing': Option
> (WIN32OLERuntimeError)
> OLE error code:80020004 in <Unknown>
> <No Description>
> HRESULT error code:0x80020004
> Parameter not found. from C:/RubyScripts/postFrostHTTP.rb:4
>

(( web.Option[6] = false ))
If WIN32OLE is using the hash notation to access attributes,
there would be a problem with a method called '6' (illegal).


You could try examining the Option object with something like:

web.Option.each { |opt| p opt } # might not have an 'each' method

Use Ruby's "introspection" to nosey around and see what's available:

# may be useful to quote on this newsgroup
p web.Option.class
puts '=========='
puts((web.Option.methods - Object.methods).sort)
puts '=========='
puts((web.methods - Object.methods).sort)
puts '=========='

# If (e.g.) 'ole_methods' is in the list
puts web.ole_methods


I'm fairly confident with Ruby but I always have to mess around
trying different hacks with COM objects. Someone who uses them
twice a year is in much the same position as a COM newbie.


daz

Ernest Ellingson

7/7/2005 12:11:00 PM

0

daz wrote:
> Ernest Ellingson wrote:
>
>>require 'win32ole'
>>WinHttpRequestOption_EnableRedirects = 6
>>web = WIN32OLE.new("WinHttp.WinHttpRequest.5.1")
>>web.Option(WinHttpRequestOption_EnableRedirects)= false # syntax error
>>
>
>
> EDIT (was same reply as Pit gave)
>
> I don't have WinHttp on this machine so I can't check this.
>
>
>>C:/RubyScripts/postFrostHTTP.rb:4:in `method_missing': Option
>>(WIN32OLERuntimeError)
>> OLE error code:80020004 in <Unknown>
>> <No Description>
>> HRESULT error code:0x80020004
>> Parameter not found. from C:/RubyScripts/postFrostHTTP.rb:4
>>
>
>
> (( web.Option[6] = false ))
> If WIN32OLE is using the hash notation to access attributes,
> there would be a problem with a method called '6' (illegal).
>
>
> You could try examining the Option object with something like:
>
> web.Option.each { |opt| p opt } # might not have an 'each' method
>
> Use Ruby's "introspection" to nosey around and see what's available:
>
> # may be useful to quote on this newsgroup
> p web.Option.class
> puts '=========='
> puts((web.Option.methods - Object.methods).sort)
> puts '=========='
> puts((web.methods - Object.methods).sort)
> puts '=========='
>
> # If (e.g.) 'ole_methods' is in the list
> puts web.ole_methods
>
>
> I'm fairly confident with Ruby but I always have to mess around
> trying different hacks with COM objects. Someone who uses them
> twice a year is in much the same position as a COM newbie.
>
>
> daz
>
>
>
Thanks for the hint. ran into a few problems
web.Option.each failed
web.Option.methods doesn't exist
changed to puts((web.methods - Object.methods).sort)
this yielded the following list
[]
[]=
_getproperty
_invoke
_setproperty
each
invoke
method_missing
ole_free
ole_func_methods
ole_get_methods
ole_method
ole_method_help
ole_methods
ole_obj_help
ole_put_methods
setproperty

Expeimented with the setproperty method

I used web.setproperty('Option', WinHttpRequestOption_EnableRedirects,
false)

That did the trick.

Thanks again

Ernie

Masaki Suketa

7/7/2005 1:13:00 PM

0

Hello.
In message "win32ole help"
on 05/07/07, Ernest Ellingson <erne@powernav.com.remove.this> writes:

> The last line is what I'm trying to accomplish with Ruby.
> Here's the Ruby code
>
> require 'win32ole'
> WinHttpRequestOption_EnableRedirects = 6
> web = WIN32OLE.new("WinHttp.WinHttpRequest.5.1")
> web.Option(WinHttpRequestOption_EnableRedirects)= false This line
> results in a sytax error.

Try the setproperty method.

require 'win32ole'
WinHttpRequestOption_EnableRedirects = 6
web = WIN32OLE.new("WinHttp.WinHttpRequest.5.1")
web.setproperty('Option', WinHttpRequestOption_EnableRedirects, false)

Regards,

Masaki Suketa