功能完善

NeuWPF/NeoUI/Converters/Internal/InterlacedBackgroundConverter.cs

@@ -0,0 +1,26 @@
+using System.Globalization;
+using System.Windows.Data;
+
+namespace NeoUI.Converters;
+
+/// <summary>
+/// 隔行交错背景颜色
+/// </summary>
+[ValueConversion(typeof(int), typeof(Visibility))]
+public class InterlacedBackgroundConverter : IValueConverter
+{
+    public static readonly InterlacedBackgroundConverter Instance = new();
+
+    /// <inheritdoc />
+    public object Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        var line = (int)(value ?? throw new ArgumentNullException(nameof(value)));
+        return line % 2 == 0 ? Visibility.Collapsed : Visibility.Visible;
+    }
+
+    /// <inheritdoc />
+    public object ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
+    {
+        return Binding.DoNothing;
+    }
+}