text: //******************************************************************************
  //
  // Copyright (c) 2015 Microsoft Corporation. All rights reserved.
  //
  // This code is licensed under the MIT License (MIT).
  //
  // 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.
  //
  //******************************************************************************
  
  #pragma once
  
  #define SDKMessageBadObject L"An object returned from the Graph API was not of \
  the correct type, or was missing required information."
  
  #define SDKMessageBadCall L"A request was made for information that is not \
  currently available."
  
  #define SDKMessageNoData L"Request returned no data."
  
  #define SDKMessageLoginFailed L"An unknown error occurred during login"
  
  #define SDKMessageMissingSource L"An file upload request was missing the \
  required parameter 'source'."
  
  
  