C#下String转换为Brush

C#下有时候需要动态更新组件的背景色或者前景色，需用用到Brush，并把String表示的颜色值转换为Brush对象，代码： 

Brush brush;
 BrushConverter brushConverter = new BrushConverter();
 brush = (Brush)brushConverter.ConvertFromString("#03ffea");//"#17acae");