提示值的组合,用于指定 VisualElement 的高级预期使用模式。 仅当 VisualElement 尚未成为 Panel 的一部分时,才可以设置此属性。一旦成为 Panel 的一部分,此属性实际上会变为只读状态,尝试更改它将抛出异常。 适当的 UsageHints 的规范会促使系统根据预期的使用模式更好地决定如何处理或加速某些操作。 请注意,这些提示不影响行为或视觉效果,而只影响面板及其内部元素的总体性能。 通常,建议始终考虑指定适当的 UsageHints,但请注意,在某些情况下(例如,由于目标平台的硬件限制),一些 UsageHints 可能会被内部忽略。
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