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POIronRuby, How to pass argument variables from C# to Ruby?
 

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  1. POIronRuby, How to pass argument variables from C# to Ruby?
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    <p>To begin, here's the code of a ruby file that I set in bin/debug folder of my SharpDevelop project:</p> <pre><code>class Run_Marshal def initialize(id, name) @list = [] @list[0] = Employee_Info.new(id, name) File.open("employee_sheet.es", "wb") {|f| Marshal::dump(@list, f)} end end class Employee_Info attr_accessor :id attr_accessor :name def initialize(id, name) @id = id @name = name end end </code></pre> <p>The code above allow to serialize the Employee_Info object(s) to a file. Let's note that I have installed IronRuby.</p> <p>Below is the C# code I'm using to execute the ruby code. It's important that I pass arguments from C# to my new Ruby objects. </p> <pre><code>void Btn_exportClick(object sender, EventArgs e) { var engine = Ruby.CreateEngine(); engine.ExecuteFile("Ruby_Classes.rb"); dynamic ruby = engine.Runtime.Globals; int id = 0; string name = "John Coles"; dynamic foo = ruby.Run_Marshal.@new(id, name); } </code></pre> <p>Finally, here's the ruby code of another ruby project set in another different ruby environment.</p> <pre><code>@my_foo = File.open("Data/employee_sheet.es", "rb") {|f| Marshal.load(f)} @name = @my_foo[0].name </code></pre> <p>And of course, I also made sure to have the Employee_Info class available in that other environment. </p> <pre><code>class Employee_Info attr_accessor :id attr_accessor :name def initialize(id, name) @id = id @name = name end end </code></pre> <p>The code run perfectly from my SharpDevelop project and it output a serialized (marshal) file in the bin/debug folder. I then take that serialized file and put it in another folder of another ruby environment. </p> <p>When I run the other environment, the program crash and produce this error: "ArgumentError occured. Undefined class/module System:: "</p> <p>I made a few more tests and I realized that when I alter my above code to this (see line with the triple '*':</p> <pre><code>class Run_Marshal def initialize(id, name) @list = [] @list[0] = Employee_Info.new(0, "Beettlejuice") // *** File.open("employee_sheet.es", "wb") {|f| Marshal::dump(@list, f)} end end </code></pre> <p>It now open the serialized file without any problem. So I suspect the problem is due to the argument passed from the C# code to the ruby code. I truly need to pass c# variables for more complex tasks but so far I have no idea how to make it works. I hoped you guys could explain what's wrong. So how to pass argument variables from C# to Ruby?</p> <p>Thank you!</p>
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