Window.IsFullScreen
-------------------

Queries whether window is fullscreen.

| Component | Version | macOS | Windows | Linux | Server | iOS SDK |
|---|---|---|---|---|---|---|
| [Window](component_Window.md) | [3.0](newinversion30.md) | ✅ Yes | ❌ No | ❌ No | ❌ No | ❌ No |

MBS( "Window.IsFullScreen"; WindowRef ) 

**MBS**( **"Window.IsFullScreen";** /\* Queries whether window is fullscreen. \*/  
**$WindowRef**) /\* Window Reference is the unique OS level window ID. You can obtain this by using the [Window.FindByTitle](WindowFindByTitle.md) or [Window.FindByIndex](WindowFindByIndex.md) functions. Pass zero to access the frontmost window.e.g. 0 \*/ 

### Parameters

| Parameter | Description | Example |
|---|---|---|
| WindowRef | Window Reference is the unique OS level window ID. You can obtain this by using the [Window.FindByTitle](WindowFindByTitle.md) or [Window.FindByIndex](WindowFindByIndex.md) functions. Pass zero to access the frontmost window. | 0 |

### Result

Returns 0 or 1.

### Description

Queries whether window is fullscreen.  
Indicates that a window has fullscreen appearance.  
A fullscreen window does not draw its titlebar, and may have special handling for its toolbar.  
Available in macOS 10.7 and later.  
### See also

- [Window.FindByIndex](WindowFindByIndex.md)
- [Window.FindByTitle](WindowFindByTitle.md)

This function checks for a license.

Created 18th August 2014 , last changed 10th August 2020

  
[Window.IgnoresMouseEvents](WindowIgnoresMouseEvents.md) - [Window.IsFullScreenAuxiliary](WindowIsFullScreenAuxiliary.md)

[HTML Version](WindowIsFullScreen.shtml)