在项目中引用这个dll
//加载皮肤
Sunisoft.IrisSkin.SkinEngine skin = new Sunisoft.IrisSkin.SkinEngine();
skin.SkinFile = Application.StartupPath.Replace(@"\bin\Debug", "") + @"\skins\SteelBlue.ssk";
//skin.SkinFile = System.Environment.CurrentDirectory + "\\skins\\" + "Emerald.ssk";
skin.Active = true;
效果如下: