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wiauDbgErrorHr function (wiautil.h)

  • Article

The wiauDbgErrorHr function logs a message containing an HRESULT and its error message string.

Syntax

void wiauDbgErrorHr(
  HRESULT hr,
  LPCSTR  fname,
  LPCSTR  fmt,
  ...     
);

Parameters

hr

Specifies the HRESULT that is to be logged.

fname

Pointer to a string containing the name of the function or method into which the call to wiauDbgDump is inserted.

fmt

Pointer to a format string that specifies a variable argument list, which starts with an ANSI format string containing the message and any conversion specifiers. The ellipsis (...) specifies a variable number of arguments that are to be output.

...

Additional parameters.

Return value

None

Remarks

The wiauDbgErrorHr function typically logs two lines to the log file, or debugger, or both. The first line contains the text of the fmt parameter, including data, if provided. The second line contains the HRESULT and the message string associated with that HRESULT. The following example shows how this function might be called:

wiauDbgErrorHr(hr, "AllocateBuffer", "Buffer size is %d bytes", size);

Requirements

Requirement Value
Target Platform Desktop
Header wiautil.h (include Wiautil.h)

See also

wiauDbgDump

wiauDbgError

wiauDbgTrace

wiauDbgWarning