text: // Copyright Microsoft. All rights reserved.
  //
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files(the "Software"), to
  // deal in the Software without restriction, including without limitation the
  // rights to use, copy, modify, merge, publish, distribute, sublicense, and / or
  // sell copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions :
  //
  // The above copyright notice and this permission notice shall be included in
  // all copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  // IN THE SOFTWARE.
  
  var uwp = require('uwp');
  uwp.projectNamespace("Windows");
  
  Windows.Storage.KnownFolders.documentsLibrary.createFileAsync(
    "sample.dat", Windows.Storage.CreationCollisionOption.replaceExisting)
    .done(
      function (file) {
        console.log("ok");
        uwp.close();
      },
      function (error) {
        console.error("error", error);
        uwp.close();
      }
  );
  