Hi all,
A performance related question:
I've written a Cocoa app that continuously reads data from a USB device and
plots it on a graph. It consists of three of my own classes.
The first class is the model that submits asynchronous bulk reads to the USB
device. The callback for these reads
Hi all,
Can't get a simple example working. AppearedNotificationHandler() should be
called in the code below when a USB device (any device for now) is plugged in.
I see the NSLog(@registerDeviceCallbackHandler) message appear in the console
when I start the application, but never see the
IOReturnkernErr;
You never seem to check for errors. Please ensure
your calls are
succeeding by checking the value of this variable. If
they're
failing, use macerror(1) to look up the error number.
IOServiceAddMatchingNotification() returns no errors (0).
-
Hello,
I've created a simple application with an NSTableView. I have written a
delegate for this table,
numberOfRowsInTableView:objectValueForTableColumn:row:, that returns the number
of rows in the table when requested.
My application uses the table view to display hexadecimal data on a
Hello,
I've been scratching my head trying to get a basic delegate/data source
Cocoa/AppKit program working and feel that I'm misunderstanding something basic
(I've included the code is at the end).
I set a breakpoint within the if statement in the init method of MyModel and
see it called
Hi Jon,
Thanks! That did the trick -- I was way off.
Chris
- Original Message
From: Jonathan Hess jh...@apple.com
To: Chris Carson cucar...@yahoo.com
Cc: cocoa-dev@lists.apple.com
Sent: Tuesday, May 12, 2009 1:19:11 AM
Subject: Re: instance management in IB
Hey Chris