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Class: WIN32OLE::Param

Relationships & Source Files
Inherits: Object
Defined in: ext/win32ole/win32ole_param.c,
ext/win32ole/win32ole_param.c

Overview

Param objects represent param information of the OLE method.

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(method, n) ⇒ Param

Returns Param object which represents OLE parameter information. 1st argument should be Method object. 2nd argument ‘n’ is n-th parameter of the method specified by 1st argument.

tobj = WIN32OLE::Type.new('Microsoft Scripting Runtime', 'IFileSystem')
method = WIN32OLE::Method.new(tobj, 'CreateTextFile')
param = WIN32OLE::Param.new(method, 2) # => #<WIN32OLE::Param:Overwrite=true>
[ GitHub ] 

  


# File 'ext/win32ole/win32ole_param.c', line 145



static VALUE
foleparam_initialize(VALUE self, VALUE olemethod, VALUE n)
{
    int idx;
    if (!rb_obj_is_kind_of(olemethod, cWIN32OLE_METHOD)) {
        rb_raise(rb_eTypeError, "1st parameter must be WIN32OLE::Method object");
    }
    idx = RB_FIX2INT(n);
    return oleparam_ole_param(self, olemethod, idx);
}


  







Instance Attribute Details



  

    #input?  ⇒ Boolean  (readonly)  



  

    

Returns true if the parameter is input.



tobj = WIN32OLE::Type.new('Microsoft Excel 9.0 Object Library', 'Workbook')
method = WIN32OLE::Method.new(tobj, 'SaveAs')
param1 = method.params[0]
puts param1.input? # => true


  



  [ GitHub ]


  

  


# File 'ext/win32ole/win32ole_param.c', line 265



static VALUE
foleparam_input(VALUE self)
{
    struct oleparamdata *pparam;
    TypedData_Get_Struct(self, struct oleparamdata, &oleparam_datatype, pparam);
    return ole_param_flag_mask(pparam->pTypeInfo, pparam->method_index,
                               pparam->index, PARAMFLAG_FIN);
}


  








  

    #optional?  ⇒ Boolean  (readonly)  



  

    

Returns true if argument is optional.



tobj = WIN32OLE::Type.new('Microsoft Excel 9.0 Object Library', 'Workbook')
method = WIN32OLE::Method.new(tobj, 'SaveAs')
param1 = method.params[0]
puts "#{param1.name} #{param1.optional?}" # => Filename true


  



  [ GitHub ]


  

  


# File 'ext/win32ole/win32ole_param.c', line 312



static VALUE
foleparam_optional(VALUE self)
{
    struct oleparamdata *pparam;
    TypedData_Get_Struct(self, struct oleparamdata, &oleparam_datatype, pparam);
    return ole_param_flag_mask(pparam->pTypeInfo, pparam->method_index,
                               pparam->index, PARAMFLAG_FOPT);
}


  








  

    #output?  ⇒ Boolean  (readonly)  



  

    

Returns true if argument is output.



tobj = WIN32OLE::Type.new('Microsoft Internet Controls', 'DWebBrowserEvents')
method = WIN32OLE::Method.new(tobj, 'NewWindow')
method.params.each do |param|
  puts "#{param.name} #{param.output?}"
end



The result of above script is following:



URL false
Flags false
TargetFrameName false
PostData false
Headers false
Processed true


  



  [ GitHub ]


  

  


# File 'ext/win32ole/win32ole_param.c', line 293



static VALUE
foleparam_output(VALUE self)
{
    struct oleparamdata *pparam;
    TypedData_Get_Struct(self, struct oleparamdata, &oleparam_datatype, pparam);
    return ole_param_flag_mask(pparam->pTypeInfo, pparam->method_index,
                               pparam->index, PARAMFLAG_FOUT);
}


  








  

    #retval?  ⇒ Boolean  (readonly)  



  

    

Returns true if argument is return value.



tobj = WIN32OLE::Type.new('DirectX 7 for Visual Basic Type Library',
                          'DirectPlayLobbyConnection')
method = WIN32OLE::Method.new(tobj, 'GetPlayerShortName')
param = method.params[0]
puts "#{param.name} #{param.retval?}"  # => name true


  



  [ GitHub ]


  

  


# File 'ext/win32ole/win32ole_param.c', line 332



static VALUE
foleparam_retval(VALUE self)
{
    struct oleparamdata *pparam;
    TypedData_Get_Struct(self, struct oleparamdata, &oleparam_datatype, pparam);
    return ole_param_flag_mask(pparam->pTypeInfo, pparam->method_index,
                               pparam->index, PARAMFLAG_FRETVAL);
}


  







Instance Method Details



  

    #default    



  

    

Returns default value. If the default value does not exist, this method returns nil.



tobj = WIN32OLE::Type.new('Microsoft Excel 9.0 Object Library', 'Workbook')
method = WIN32OLE::Method.new(tobj, 'SaveAs')
method.params.each do |param|
  if param.default
    puts "#{param.name} (= #{param.default})"
  else
    puts "#{param}"
  end
end



The above script result is following:



Filename
FileFormat
Password
WriteResPassword
ReadOnlyRecommended
CreateBackup
AccessMode (= 1)
ConflictResolution
AddToMru
TextCodepage
TextVisualLayout


  



  [ GitHub ]


  

  


# File 'ext/win32ole/win32ole_param.c', line 393



static VALUE
foleparam_default(VALUE self)
{
    struct oleparamdata *pparam;
    TypedData_Get_Struct(self, struct oleparamdata, &oleparam_datatype, pparam);
    return ole_param_default(pparam->pTypeInfo, pparam->method_index,
                             pparam->index);
}


  








  

    #inspect  ⇒ String   



  

    

Returns the parameter name with class name. If the parameter has default value, then returns name=value string with class name.


  



  [ GitHub ]


  

  


# File 'ext/win32ole/win32ole_param.c', line 410



static VALUE
foleparam_inspect(VALUE self)
{
    VALUE detail = foleparam_name(self);
    VALUE defval = foleparam_default(self);
    if (defval != Qnil) {
        rb_str_cat2(detail, "=");
        rb_str_concat(detail, rb_inspect(defval));
    }
    return make_inspect("WIN32OLE::Param", detail);
}


  








  

    

      #to_s  
      #name  
    

  



  

    

Alias for #to_s.


  





  








  

    #ole_type_detail    



  

    

Returns detail information of type of argument.



tobj = WIN32OLE::Type.new('Microsoft Excel 9.0 Object Library', 'IWorksheetFunction')
method = WIN32OLE::Method.new(tobj, 'SumIf')
param1 = method.params[0]
p param1.ole_type_detail # => ["PTR", "USERDEFINED", "Range"]


  



  [ GitHub ]


  

  


# File 'ext/win32ole/win32ole_param.c', line 231



static VALUE
foleparam_ole_type_detail(VALUE self)
{
    struct oleparamdata *pparam;
    TypedData_Get_Struct(self, struct oleparamdata, &oleparam_datatype, pparam);
    return ole_param_ole_type_detail(pparam->pTypeInfo, pparam->method_index,
                                     pparam->index);
}


  








  

    #to_s      Also known as: #name
  



  

    

Returns name.



tobj = WIN32OLE::Type.new('Microsoft Excel 9.0 Object Library', 'Workbook')
method = WIN32OLE::Method.new(tobj, 'SaveAs')
param1 = method.params[0]
puts param1.name # => Filename


  



  [ GitHub ]


  

  


# File 'ext/win32ole/win32ole_param.c', line 166



static VALUE
foleparam_name(VALUE self)
{
    return rb_ivar_get(self, rb_intern("name"));
}