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初始化 monorepo: Go后端(7微服务) + Unity客户端(9模块) + 启动器 HTML5原型: Three.js 3D体素世界, Perlin噪声地形, 原版材质, 22种方块 Minecraft创造模式背包: 双栏布局, 拖拽移动物品, 方向性元件引脚 AI助搭策划文档 + 客户端/服务端骨架 + Docker Compose + CI
23 lines
663 B
C#
23 lines
663 B
C#
using System;
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using System.Globalization;
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using System.Windows;
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using System.Windows.Data;
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namespace PCL.Core.UI.Converters;
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/// <summary>
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/// 将可 null 的值转换为 WPF Visibility 状态：若为 null 则折叠，否则可见
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/// </summary>
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public sealed class NullToVisibilityConverter : IValueConverter
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{
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public object Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
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{
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return value is not null ? Visibility.Visible : Visibility.Collapsed;
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}
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public object ConvertBack(object? value, Type targetType, object? parameter, CultureInfo culture)
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{
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throw new NotSupportedException();
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}
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}
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