Mac Forum / Programming / Mac Programming / July 2006

Hey all,
I'm dragging an image onto my NSPasteboard from my drag source and I'm
trying to identify which icon the user chose from my NSMatrix palette
of NSImageCell's.

A member of my family studies C in his classroom under Windows, and they
use a Windows IDE.
On his MacOS-X Tiger machine, he uses gcc + Emacs, but lacks the
capability of opening a simple graphics window, and drawing lines.

How to get the serial number of a CD on Mac OS X? Is there any
replacement for the function GetvolumeInformation which gives the
serial number on Windows. If not how I can get a unique number that
identifies the CD.

I am using os X 10.3.9 with xcode 1.5 and gcc 3.3. I believe this
version of gcc is pretty old now and am thinking of updating to gcc 4.0 or
later. However I don't want to reinstall all the packages that I installed
using fink and darwinports and some more, by compiling the source ...

I'm trying to create an LTextButton and place it inside a specific
pane, after running the code the button doesn't appear
here's the code (the tmpBut->PutInside was omitted)
LStream* l = new LStream();

I have a /etc/rc.local as follows:-

I'm working on my first Core Data-based project, and I've hit a
snag. I suspect the solution is staring me in the face, but I
just don't see it...
My set up is similar to the example in Apple's video tutorial at

The following Code
itk::Image<VoxelType,VImageDimension>::IndexType currentindex;
Creates the follwing error in xCode:
error: expected ';' before 'currentindex'

When I ran an App in XCode 1.5 or earlier using cmd-R the Run Log
console would come up and I could use standard printf scanf I/0 to
communicate with my program (mostly scientific calculations so I don't
want a full GUI).  But at times I would open a window with the App and

Categories are an accepted way of adding capabilities to existing Cocoa
classes, right? I have a problem with code that used to work in MacOS
10.2, with Project Builder. I have added a few methods to the
NSTextStorage class, with the following interface definition:

I've been having problems trying to compile C code using gcc
(powerpc-apple-darwin8-gcc-4.0.1) [under MAC OS 10.4.7]. It will
compile fine with either flag separately, but finds problems
with the /usr/include/architecture/ppc/math.h file which is

I've just started with cocoa development and I have a problem trying to
get my menu to show up as the menu bar in IB. I'm using xcode 2.3.
I have a MainMenu nib which was created w/ the wizard in xcode, but
when I compile and run my application, I get the original main menu and

I just noticed that my NSOpenPanel which is supposed to only open
directories or jar files, also opens jpgs!
NSOpenPanel *op = [NSOpenPanel openPanel];
    [op setAllowsMultipleSelection:YES];

I need to get started with writing PCI drivers for Mac OS 9. I am a
complete novice with Mac and do not know from where to start. I have
written drivers on Linux though. I would appreciate if I could get some
pointers for developing PCI or generic driver writing on Mac OS 9.

Hi, I've failed at several attempts to make a progress indicator move.
My application consists of a simple Cocoa window, plus an extra NSThread
that will do stuff in the background.  I've tried having the thread call
startAnimation: and stopAnimation: around its loop, but the ...