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Sends a trace message.

Syntax

Parameters

area
Type: HCTraceImplArea const*
The trace area. If the value is nullptr, the function does nothing. level
Type: HCTraceLevel
The trace level. The message is dropped if level is greater than the verbosity of area. format   _Printf_format_string_
Type: char const*
A printf-style format string. … Arguments for format.

Return value

Type: void

Remarks

Use HC_TRACE_MESSAGE or a level-specific trace macro instead of calling this function directly. Level-specific macros such as HC_TRACE_ERROR and HC_TRACE_INFORMATION compile out when their level is excluded by HC_TRACE_BUILD_LEVEL. HC_TRACE_MESSAGE compiles out only when tracing is disabled entirely.

Requirements

Header: trace.h Library: libHttpClient.lib Supported platforms: Windows, XBOX One family consoles and XBOX Series consoles

See also

trace
Last modified on October 30, 2026