NSUserInterfaceItemIdentification -identifier vs -tag
NSUserInterfaceItemIdentification -identifier vs -tag
- Subject: NSUserInterfaceItemIdentification -identifier vs -tag
- From: "email@hidden" <email@hidden>
- Date: Tue, 08 Oct 2013 21:47:35 +0100
The NSControl -tag property can be used to identify an action sender.
Can the NSUserInterfaceItemIdentification protocol property -identifier be safely used for the same purpose?
It was introduced to support window restoration.
The docs apply several caveats with regard to the identifier:
https://developer.apple.com/library/mac/documentation/cocoa/reference/NSUserInterfaceItemIdentification_Protocol/Introduction/Introduction.html
From the above:
You should not change the value of a window’s identifier after adding any views to the window. For views and controls in a window, the value you specify for this string must be unique on a per-window basis.
The slash (/), backslash (\), or colon (:) characters are reserved and must not be used in your custom identifiers. Similarly, Apple reserves all identifiers beginning with an underscore (_) character. Applications and frameworks should use a consistent prefix for their identifiers to avoid collisions with other frameworks. For a list of prefixes used by the system frameworks, see “OS X Frameworks” in Mac Technology Overview.
Jonathan
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