通过

ISoftUSBConfigurations::Clear Method

  • 项目

The Clear method removes all objects from a collection of SoftUSBConfiguration objects.

Syntax

HRESULT Clear();

Parameters

This method has no parameters.

Return Value

Clear returns an HRESULT value. This method returns S_OK if the list was correctly cleared.

Remarks

The following C++ code example shows how to remove all items from a ISoftUSBConfigurations collection.

HRESULT CTestDevice::ClearConfigCollection()
{
HRESULT hr = S_OK;
ISoftUSBConfigurationList *piConfigList = NULL;

// Get the configuration list
hr = m_piDevice->get_Configurations(&piConfigList)
if(!FAILED(hr))
{
  // Clear the configuration list
 hr = piConfigList->Clear();
}

return hr;
}

Requirements

Header

 SoftUSBif.h

 

 

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Build date: 9/21/2010