golangでiTunes内の曲情報を取得する(Windows)

app.go

package main

import (
	ole "github.com/go-ole/go-ole"
	"github.com/go-ole/go-ole/oleutil"
	"log"
	"fmt"
)

func main() {
	ole.CoInitialize(0)
	obj, err := oleutil.CreateObject("iTunes.Application")

	if err != nil {
		log.Fatal(err)
	}

	itunes := obj.MustQueryInterface(ole.IID_IDispatch)
	playlist := oleutil.MustGetProperty(itunes, "LibraryPlaylist").ToIDispatch()
	tracks := oleutil.MustGetProperty(playlist, "Tracks").ToIDispatch()

	count := int(oleutil.MustGetProperty(tracks, "Count").Val)
	fmt.Printf("count: %v\n\n", count)

	for i := 1; i <= count; i++ {
		item := oleutil.MustGetProperty(tracks, "Item", i).ToIDispatch()
		name := oleutil.MustGetProperty(item, "Name").ToString()
		artist := oleutil.MustGetProperty(item, "Artist").ToString()
		fmt.Printf("Index:%v Name:%v\n Artist:%v\n", i, name, artist)
	}

	ole.CoUninitialize()
}