Question

wpf 用button实现TextBlock里字体颜色的切换

Answer 1

在button单击事件里先实例化一个brush对象，再将此对象赋值到foreground。
代码如下

Answer 2

private void Button_colorChange_Click(object sender, RoutedEventArgs e)
{
textblock_1.Foreground = Brushes.Red;
}