异常,将阻止所有后续即时模式 GUI 函数估算 GUI 循环的其余部分。
如果在您的 GUI 代码中处理异常,不应捕捉此异常类型,因为在某些情况下,Unity 的即时模式 GUI 系统依靠此异常来正确退出当前 GUI 循环。
如果您需要在自己的代码中退出即时模式 GUI 循环,您应调用 GUIUtility.ExitGUI,而不是直接抛出此异常。
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