using System.Windows; using System.Windows.Media; namespace WPF基础_1; /// /// Interaction logic for MainWindow.xaml /// public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); var brush = new LinearGradientBrush(); var gradientStop1 = new GradientStop { Offset = 0, Color = Colors.Red }; brush.GradientStops.Add(gradientStop1); var gradientStop2 = new GradientStop { Offset = 0.5, Color = Colors.Indigo }; brush.GradientStops.Add(gradientStop2); var gradientStop3 = new GradientStop { Offset = 1, Color = Colors.Violet }; brush.GradientStops.Add(gradientStop3); Grid.Background = brush; } }