WPF 颜色转换

HEX16色转Bursh：

Brush brush = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#FFFFFF"));

RGB三原色转Bursh：

Brush brush = new SolidColorBrush(Color.FromRgb(255, 255, 255));

HEX16色转Bursh：

Brush brush = (Brush)new BrushConverter().ConvertFromString("#FFFFFF");

Color转Bursh：

Brush brush = new SolidColorBrush(Colors.White));