/// <summary> /// Updates the specified Message using PATCH. /// </summary> /// <param name="messageToUpdate">The Message to update.</param> /// <param name="cancellationToken">The <see cref="CancellationToken"/> for the request.</param> /// <exception cref="ClientException">Thrown when an object returned in a response is used for updating an object in Microsoft Graph.</exception> /// <returns>The updated Message.</returns> public async System.Threading.Tasks.Task <Message> UpdateAsync(Message messageToUpdate, CancellationToken cancellationToken) { if (messageToUpdate.AdditionalData != null) { if (messageToUpdate.AdditionalData.ContainsKey(Constants.HttpPropertyNames.ResponseHeaders) || messageToUpdate.AdditionalData.ContainsKey(Constants.HttpPropertyNames.StatusCode)) { throw new ClientException( new Error { Code = GeneratedErrorConstants.Codes.NotAllowed, Message = String.Format(GeneratedErrorConstants.Messages.ResponseObjectUsedForUpdate, messageToUpdate.GetType().Name) }); } } if (messageToUpdate.AdditionalData != null) { if (messageToUpdate.AdditionalData.ContainsKey(Constants.HttpPropertyNames.ResponseHeaders) || messageToUpdate.AdditionalData.ContainsKey(Constants.HttpPropertyNames.StatusCode)) { throw new ClientException( new Error { Code = GeneratedErrorConstants.Codes.NotAllowed, Message = String.Format(GeneratedErrorConstants.Messages.ResponseObjectUsedForUpdate, messageToUpdate.GetType().Name) }); } } this.ContentType = "application/json"; this.Method = "PATCH"; var updatedEntity = await this.SendAsync <Message>(messageToUpdate, cancellationToken).ConfigureAwait(false); this.InitializeCollectionProperties(updatedEntity); return(updatedEntity); }