The severitycode indicates whether the return value represents information, warning, or error.
严重性代码指示返回值是表示信息、警告还是错误。
2
HRESULT is a 32-bit value, divided into three different fields: a severitycode, a facility code, and an error code.
HRESULT为32位元值,它划分为三个不同栏位:严重性代码、设备代码和错误码。
3
It tells the developer that this rule will be a severity 1 within the next 6-12 months, so they should probably fix it now before they find themselves under a deadline and unable to build their code.