20170625

2.2.18 HRESULT

2.2.18 HRESULT
【外部リンク】
https://msdn.microsoft.com/en-us/library/cc230330.aspx
An HRESULT is a 32-bit value that is used to describe an error or warning and contains the following fields:
A 1-bit code that indicates severity, where 0 represents success and 1 represents failure.
A 4-bit reserved value.
An 11-bit code, also known as a facility code, that indicates responsibility for the error or warning.
A 16-bit code that describes the error or warning.
For details on HRESULT values, see [MS-ERREF].
This type is declared as follows:
 typedef LONG HRESULT;
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