TeamAAS-2.5/TeamAAS.Base/TeamAAS.FlowEngine/DictionaryExtensions.cs

using System.Collections.Generic;

namespace TeamAAS.FlowEngine
{
    /// <summary>
    /// 集合扩展方法。
    /// 背景：DeleteIfExistsKey 原先来自 HandyControls fork 的 HandyControl.Tools.Extension，
    /// 切换到官方 HandyControl 后由本文件补齐等价实现，避免依赖 fork 包。
    /// </summary>
    public static class DictionaryExtensions
    {
        /// <summary>存在则删除指定键，不存在则静默跳过</summary>
        public static bool DeleteIfExistsKey<TKey, TValue>(this Dictionary<TKey, TValue> dictionary, TKey key)
        {
            if (dictionary == null || key == null) return false;
            return dictionary.Remove(key);
        }
    }
}