Quickstart: Check spelling with Bing Spell Check SDK for C#

Artigo
03/27/2023

Use this quickstart to begin spell checking with Bing Spell Check SDK for C#. While Bing Spell Check has a REST API compatible with most programming languages, the SDK provides an easy way to integrate the service into your applications. The source code for this sample can be found on GitHub.

Application dependencies

Any edition of Visual Studio 2017 or later.
The Bing Spell Check NuGet Package.

To add the Bing Spell Check SDK to your project, select Manage NuGet Packages from Solution Explorer in Visual Studio. Add the Microsoft.Azure.CognitiveServices.Language.SpellCheck package. The package also installs the following dependencies:

Microsoft.Rest.ClientRuntime
Microsoft.Rest.ClientRuntime.Azure
Newtonsoft.Json

Create and initialize the application

Create a new C# console solution in Visual Studio. Then add the following using statement:

using System;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.Azure.CognitiveServices.Language.SpellCheck;
using Microsoft.Azure.CognitiveServices.Language.SpellCheck.Models;

Create a new class. Then create an asynchronous function called SpellCheckCorrection() that takes a subscription key and sends the spell check request.

Instantiate the client by creating a new ApiKeyServiceClientCredentials object.

public static class SpellCheckSample{
    public static async Task SpellCheckCorrection(string key){
        var client = new SpellCheckClient(new ApiKeyServiceClientCredentials(key));
    }
    //...
}

Send the request and read the response

In the function created above, perform the following steps. Send the spell check request with the client. Add the text to be checked to the text parameter, and set the mode to proof.
```
var result = await client.SpellCheckerWithHttpMessagesAsync(text: "Bill Gatas", mode: "proof");
```

Get the first spell check result, if there is one. Print the first misspelled word (token) returned, the token type, and the number of suggestions.

var firstspellCheckResult = result.Body.FlaggedTokens.FirstOrDefault();

if (firstspellCheckResult != null)
{
    Console.WriteLine("SpellCheck Results#{0}", result.Body.FlaggedTokens.Count);
    Console.WriteLine("First SpellCheck Result token: {0} ", firstspellCheckResult.Token);
    Console.WriteLine("First SpellCheck Result Type: {0} ", firstspellCheckResult.Type);
    Console.WriteLine("First SpellCheck Result Suggestion Count: {0} ", firstspellCheckResult.Suggestions.Count);
}

Get the first suggested correction, if there is one. Print the suggestion score, and the suggested word.

var suggestions = firstspellCheckResult.Suggestions;

if (suggestions?.Count > 0)
{
    var firstSuggestion = suggestions.FirstOrDefault();
    Console.WriteLine("First SpellCheck Suggestion Score: {0} ", firstSuggestion.Score);
    Console.WriteLine("First SpellCheck Suggestion : {0} ", firstSuggestion.Suggestion);
}

Run the application

Build and run your project. If you're using Visual Studio, press F5 to debug the file.

Next steps

Create a single page web-app

What is the Bing Spell Check API?
Bing Spell Check C# SDK reference guide

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