func init
	// adds using namespace
	sys.add_use('System')
	sys.add_use('System.Collections.ObjectModel')

	// gets type of an array
	if(not isdef("ElementType"))
		this.type = code(this.props("ElementType").value.props("TypeName").value)
		if(this.type == 'Object undefined')
			error(this.name + ' - property ' + this.props("ElementType").name + ' does not defined')
		end
	end

	// initialize instance
	if(linked("Result") and linked("doReadOnly"))
		sys.add_var(this.name, 'dynamic')
	end
end

func doReadOnly(data)
	if(linked("Result"))
		blk.println(this.codename, ' = ', this.make_result(data), ';')
		event("onResult", this.codename)
	else
		event("onResult", this.make_result(data))
	end
end

func Result
	if(linked("doReadOnly"))
		return(this.codename)
	else
		return(this.make_result())
	end
end

func make_result(data)
	return('Array.AsReadOnly' + (isdef("ElementType") ? '' : '<' + this.type + '>') + '(' + d("Array") + ')')
end