using System.Windows; using System.Windows.Media; namespace _12_形状画刷和变换_10彩虹文字内容; /// /// Interaction logic for MainWindow.xaml /// public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); // 使用代码控制 TextBlockCmd.Foreground = new LinearGradientBrush(Color.FromRgb(200, 255, 12), Color.FromRgb(0, 255, 12), 90); } }