---
title: "CGPDFScannerRetain(_:)"
framework: coregraphics
role: symbol
role_heading: Function
path: "coregraphics/cgpdfscannerretain(_:)"
---

# CGPDFScannerRetain(_:)

Increments the retain count of a scanner object.

## Declaration

```swift
func CGPDFScannerRetain(_ scanner: CGPDFScannerRef) -> CGPDFScannerRef
```

## Parameters

- `scanner`: The scanner object to retain.

## Return Value

Return Value The same scanner object passed to the function in the scanner parameter.

## See Also

### Retaining and Releasing PDF Scanner Objects

- [CGPDFScannerRelease(_:)](coregraphics/cgpdfscannerrelease(_:).md)