func init
	// add using module
	sys.add_use('System.IO')

	// initialize instance
	if(linked("ParentDirectory") and linked("doGetParent"))
		sys.add_var(this.name, 'DirectoryInfo')
	end

	if(linked("onError"))
		this.setfield('ex', 'ex' + this.id)
	end
end

func doCurrentDirectory(data)
	linked("onError") ? blk.println('try {').inc() : ''
		blk.println('Directory.SetCurrentDirectory(', d("Path"), ');')
	if(linked("onError"))
		blk.dec().println('} catch (Exception ', this.ex, ') {').inc()
			event("onError", this.ex + '.Message')
		blk.dec().println('}')
	end
end

func doGetParent(data)
	linked("onError") ? blk.println('try {').inc() : ''
		if(linked("ParentDirectory"))
			blk.println(this.codename, ' = ', this.make_parent(data), ';')
			event("onGetParent", this.codename)
		else
			event("onGetParent", this.make_parent(data))
		end
	if(linked("onError"))
		blk.dec().println('} catch (Exception ', this.ex, ') {').inc()
			event("onError", this.ex + '.Message')
		blk.dec().println('}')
	end
end

func CurrentDirectory
	return('Directory.GetCurrentDirectory()')
end

func ParentDirectory
	if(linked(doGetParent))
		return(this.codename)
	else
		return(this.make_parent())
	end
end

func LogicalDrives
	return('Directory.GetLogicalDrives()')
end

func make_parent(data)
	return('Directory.GetParent(' + d("Path") + ')')
end