Vista icon png-based 圖示製作

Vista 之後的圖示有不同的規格，需要用[1] 之類的軟體才能製作。

Windows Vista icons
With Windows Vista another standard icon size was introduced 256x256. This would result in big icon-file size, so images with the size 256x256 can be compressed using PNG compression, resulting in smaller file size

Reference:
[1]  Vista Icon Editor
http://vista-icon-editor.com/
[2] IcoFX Help
http://icofx.ro/help/windowsicon.html
http://icofx.ro/help/icons.html