winerror.h header

This header is used by multiple technologies. For more information, see:

• Component Object Model (COM)
• Direct2D
• DXGI
• Network Access Protection
• Remote Procedure Call (RPC)
• System Services
• Task Scheduler
• Windows Animation Manager
• Windows Event Log
• Windows Filtering Platform

winerror.h contains the following programming interfaces:

Functions

FAILED Provides a generic test for failure on any status value.
HRESULT_CODE Extracts the code portion of the specified HRESULT.
HRESULT_FACILITY Extracts the facility of the specified HRESULT.
HRESULT_FROM_NT Maps an NT status value to an HRESULT value.
HRESULT_FROM_WIN32 Maps a system error code to an HRESULT value.
HRESULT_SEVERITY Extracts the severity field of the specified HRESULT.
IS_ERROR Provides a generic test for errors on any status value.
MAKE_HRESULT The MAKE_HRESULT macro (winerror.h) creates an HRESULT value from its component pieces.
MAKE_SCODE Creates an SCODE value from its component pieces.
SCODE_CODE Extracts the code portion of the specified SCODE.
SCODE_FACILITY Extracts the facility of the specified SCODE.
SCODE_SEVERITY Extracts the severity field of the specified SCODE.
SUCCEEDED Provides a generic test for success on any status value.