如何在Enum上执行LINQ查询？

Below is my Enumerator List:

以下是我的枚举器列表：

public enum StatusEnum
{
    Open = 1,
    Rejected = 2,
    Accepted = 3,
    Started = 4,
    Completed = 5,
    Cancelled = 6,
    Assigned = 7
}
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