# `GSPanelViewController`

*Class*

## Declaration

```swift
class GSPanelViewController
```

```objc
@interface GSPanelViewController : NSViewController
```

```python
class GSPanelViewController(NSViewController)
```

## Topics

### Instance Properties

- [`GSPanelViewController.joinPrecedingPanel`](/Core/GlyphsApp/GSPanelViewController/joinPrecedingPanel)
- [`GSPanelViewController.titleField`](/Core/GlyphsApp/GSPanelViewController/titleField)

### Type Methods

- [`GSPanelViewController isActive`](/Core/GlyphsApp/GSPanelViewController/isActive)

## Relationships

### Inherits From

- `NSViewController`

### Inherited By

- [`PanelViewPanelCustomization`](/Core/GlyphsApp/PanelViewPanelCustomization)