# Window Settings

The `RadSpellChecker` class exposes the `WindowSettings` property which allows you to customize the appearance of the spell checker window. It is of type `WindowSettings` and it exposes the following properties:

* `Top`—Gets or sets the top position of the window settings in the proofing module.
* `TopOffset`—Gets or sets the top offset of the proofing window settings (in pixels from the top edge of the screen).
* `Left`—Gets or sets the left position of the window settings.
* `LeftOffset`—Gets or sets the left offset of the window settings (in pixels).
* `StartupLocation`—Gets or sets the starting location for the proofing window when it is opened.
* `Theme`—Gets or sets the theme settings for the proofing window.
* `IsAddToDictionaryButtonVisible`—Gets or sets whether the **Add to Dictionary** button is visible in the proofing window.
* `IsIgnoreAllButtonVisible`—Gets or sets whether the **Ignore All** button is visible in the proofing window.
* `IsEditCustomDictionaryButtonVisible`—Gets or sets whether the **Edit Custom Dictionary** button is visible in the proofing window.
* `ShowAlertWhenSpellCheckingCompleted`—Gets or sets whether an alert is shown when spell checking is completed.
* `SpellCheckingWindowsWidth`—Gets or sets the width of the spell checking windows (in pixels).
* `SpellCheckingWindowsHeight`—Gets or sets the height of the spell checking windows (in pixels).
* `SpellCheckingWindowsStyle`—Gets or sets the style settings for the spell checking windows.

The following example showcases how to hide the **Add to Dictionary**, the **Ignore All** and the **Edit Custom Dictionary** buttons in the proofing window:

```C#
public partial class MainWindow : Window
{
    static MainWindow()
    {
        RadSpellChecker.WindowSettings.IsAddToDictionaryButtonVisible = false;
        RadSpellChecker.WindowSettings.IsIgnoreAllButtonVisible = false;
        RadSpellChecker.WindowSettings.IsEditCustomDictionaryButtonVisible = false;
    }

    public MainWindow()
    {
        InitializeComponent();
    }

    private void Button_Click(object sender, RoutedEventArgs e)
    {
        RadSpellChecker.Check(this.textBox, SpellCheckingMode.AllAtOnce);
    }
}
```

> caption Proofing window with the add to dictionary, the ignore all and the edit custom dictionary buttons hidden

![Proofing window with the Add to Dictionary, the Ignore All and the Edit Custom Dictionary buttons hidden](https://www.telerik.com/products/wpf/documentation/assets/757e79e1719c4ca0244892f12f1d24e2/radspellchecker-with-hidden-buttons.png)