using System.Windows; using System.Windows.Controls; namespace _4_WPF资源_2资源层次; /// /// Interaction logic for MainWindow.xaml /// public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } private void FindResource_OnClick(object sender, RoutedEventArgs e) { var button = (Button)sender; var tryFindResource = button.TryFindResource("BunnyImageBrush"); Console.WriteLine($"尝试查找资源,找不到返回null:{tryFindResource}"); var findResource = button.FindResource("BunnyImageBrush"); Console.WriteLine($"尝试查找资源,找不到报错:{findResource}"); } }