How to display .NET Extent Class Property?

Here is my simplified . Net Code which I am trying to convert to ABL

using propsoft.fingerscancode;

scanReader reader = new scanReader();

try

{

   ScanResult[] results = reader.ReadFile("<file-name>");

   for (int i = 0; i < results.Length; ++i)

   {

       ScanResult scancode = results[i];      <---  This is where I am strugling

       MessageBox.Show(scancode.codeText);  <--- How to access extent class property in ABL?  

   }

}

Here is my ABL attempt:  

USING propsoft.fingerscancode.*.

USING Progress.Util.* FROM ASSEMBLY.

DEFINE VARIABLE reader  AS  CLASS scanReader.

DEFINE VARIABLE results AS  CLASS "scanResult[]" .

resultArray    =  CAST(System.Array:CreateInstance (Progress.Util.TypeHelper:GetType("propsoft.fingerscancode.scanResult"), 3),"ScanResult[]").

reader = NEW scanReader().

results = reader:readFile("<file-name>").

/** how do I access property 'CodeText' from results .NET array? **/

MESSAGE scanCode[0]:CodeText VIEW-AS ALERT-BOX.  /** Gives me syntax error **/

Thanks - Brady

First, to answer your question, an array in .NET is just a class - as you've already demonstrated.  It has methods and properties.  Length is one of the properties.  So just access it (someStrings;Length).

Also, you don't need to use TypeHelper any more to create the object.  You had to do that when we first introduced this, but no longer.  I don't remember what version that changed in, but it's been a while now.  So the full example could be:

DEFINE VARIABLE someStrings AS  CLASS "System.String[]" NO-UNDO.

someStrings = NEW  "System.String[]"(3).

someStrings:SetValue ("Test", 0) .

MESSAGE VALID-OBJECT (someStrings) SKIP

       someStrings:GetValue(0)  SKIP

       someStrings:LENGTH

   VIEW-AS ALERT-BOX INFO BUTTONS OK.

I just posted an answer before I saw this real example.  It seems to have gotten lost.  But no matter, I will answer the real question.

1. I don't know why you are creating the resultArray (which i presume should be the variable "results"!).  That will be created by .NET and returned to you from the readFile() method.  You are creating it and then it is just getting replaced.  

2. For future reference (since now you don't need it here), you don't need to use TypeHelper anymore to create a .NET array instance.  You had to when we first introduced this, but no more (don't remember what version that changed in).  Now you could do:

  results = NEW "ScanResult[]"(3).

3. What is scanCode?  You seem to be missing some things here.  I presume you meant results[0]:CodeText.   As you've already shown, you can't just use the array syntax [0] on a .NET array.  You need to use GetValue.  In theory, you would do:

  results:GetValue(0):CodeText.

But GetValue returns a System.Object, so this would have to be CAST to access the CodeText property.  Probably better to split it into 2 statements.

  result = CAST(results:GetValue(0), <name of result object>.

  myCodeText = results:CodeText.  

>> result = CAST(results:GetValue(0), <name of result object>.

Perfect. You are a life saver.    I am just starting out with .NET and I was struggling with the above syntax.  Thank You.