查询对象,包含所有选择规则。可以保存,以后无需重新分配内存可重新运行。
AtIndex | 选择满足所有条件的第 n 个元素或 null(如果未找到足够的元素)。 |
First | 与所有条件匹配的第一个元素或 null(如果未找到)。 |
ForEach | 对与查询匹配的所有元素调用函数。 |
Last | 与所有条件匹配的最后一个元素或 null(如果未找到)。 |
RebuildOn | 用相同的选择规则创建一个新的 QueryState,应用于另一个 VisualElement。 |
ToList | 返回一个列表,其中包含满足选择规则的元素。 |
operator != | 比较两个 QueryState 对象,如果不相等,则返回 true。 |
operator == | 比较两个 QueryState 对象,如果相等,则返回 true。 |
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