C++ (Cpp) DataFieldFileReader::AddNull Examples

Example #1

File: RowFormWidget.cpp Project: steffenpassmann/XCSoar

WndProperty *
RowFormWidget::AddFileReader(const TCHAR *label, const TCHAR *help,
                             const TCHAR *registry_key, const TCHAR *filters,
                             bool nullable)
{
  WndProperty *edit = Add(label, help);
  DataFieldFileReader *df = new DataFieldFileReader(NULL);
  edit->SetDataField(df);

  if (nullable)
    df->AddNull();

  size_t length;
  while ((length = _tcslen(filters)) > 0) {
    df->ScanDirectoryTop(filters);
    filters += length + 1;
  }

  TCHAR path[MAX_PATH];
  if (Profile::GetPath(registry_key, path))
    df->Lookup(path);

  edit->RefreshDisplay();

  return edit;
}