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U_DRAFT int32_t U_EXPORT2 uldn_keyDisplayName ( const ULocaleDisplayNames ldn,
const char *  key,
UChar *  result,
int32_t  maxResultSize,
UErrorCode pErrorCode 
)

Returns the display name of the provided locale key

Parameters:
ldn the LocaleDisplayNames instance
key the locale key whose display name to return
result receives the display name
maxResultSize the size of the result buffer
pErrorCode the status code
Returns:
the actual buffer size needed for the display name. If it's greater than maxResultSize, the returned name will be truncated. ICU 4.4

Definition at line 661 of file locdspnm.cpp.

References UnicodeString::extract(), U_FAILURE, and U_ILLEGAL_ARGUMENT_ERROR.

                                            {
  if (U_FAILURE(*pErrorCode)) {
    return 0;
  }
  if (ldn == NULL || key == NULL || (result == NULL && maxResultSize > 0) || maxResultSize < 0) {
    *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
    return 0;
  }
  UnicodeString temp(result, 0, maxResultSize);
  ((const LocaleDisplayNames *)ldn)->keyDisplayName(key, temp);
  return temp.extract(result, maxResultSize, *pErrorCode);
}


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