Macro Example to Filter Error Codes

Important

WSD Challenger functionality has been deprecated and all WSD Challenger-related documentation will be removed in 2018.

The following macro example filters communication failure error codes.

//
// Example of a macro to filter device communication errors
//
#define WSD_COMMUNICATION_ERROR(hr) \
    ((HRESULT_FROM_WIN32(ERROR_WINHTTP_CANNOT_CONNECT)) == hr) || \
    ((HRESULT_FROM_WIN32(ERROR_WINHTTP_CONNECTION_ERROR)) == hr) || \
    ((HRESULT_FROM_WIN32(ERROR_WINHTTP_TIMEOUT)) == hr) || \
    ((HRESULT_FROM_WIN32(ERROR_TIMEOUT)) == hr) || \
    ((HRESULT_FROM_WIN32(ERROR_WINHTTP_NAME_NOT_RESOLVED)) == hr))