canPrint(_:)
Returns a Boolean value that indicates whether UIKit can print the file that the specified URL references.
Declaration
class func canPrint(_ url: URL) -> BoolParameters
- url:
An object representing a URL. Valid
NSURLobjects must use thefile:or any scheme that can return an Nsdata object with a registered protocol. The file referenced by the URL must contain PDF data or an image in a format supported by the Image I/O framework. See TP40009503 in TP40009503 for a list of the supported image formats.
Return Value
true if UIKit can print the contents of the referenced file, otherwise false. The method returns false if url references PDF data that specifies that printing is not allowed.
Discussion
You should call this method to test the data referenced by a URL prior to assigning that URL to printingItem or printingItems.