XE6 任务栏 控件

WIN7/WIN8 ONLY

 Taskbar1->ProgressMaxValue = 100;
 Taskbar1->ProgressValue = 50;
 Taskbar1->ProgressState = 1;
 Taskbar1->ProgressValue = 90;
 

原文：http://www.cnblogs.com/cb168/p/3953920.html