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IWTTLog::SetDeviceOption method

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The SetDeviceOption method sets the current context of the logger object for all subsequent traces.

Syntax

HRESULT SetDeviceOption(
  LONG hDevice,
  BSTR bstrDeviceName,
  BSTR bstrDeviceOptions
);

Parameters

  • hDevice
    [in] A handle to the device tracing topology. You can combine multiple handles by using the bitwise OR operator (for example, hDevice1 OR hDevice2 ).

  • bstrDeviceName
    [in] The name of the device.

  • bstrDeviceOptions
    [in] A string that contains the device options to set.

Return value

SetDeviceOption returns one of the following values:

Return code Description
S_OK

The operation was successful.
S_FALSE

The operation was successful but the last device has been detached, which has triggered a rollup.
HRESULT

The operation failed. You should use the FAILED macro to check HRESULT values.

 

Requirements

IDL

 Log.IDL

Library

 WTTLogCM.dll

See also

IWTTLog Interface (COM)

 

 

Build date: 9/14/2012