Re: Need help with Radio Buttons...

FROM : Stephan Ruggiero
DATE : Wed Apr 06 19:03:31 2005

Hi,
if you just have one or two radio buttons I'd suggest not to use
NSMatrix - add a regular Button to your Nib and in the attributes
window set the type to be  "radio button".
Now the IBOutlet can set to be a pointer to NSButton:
IBOutlet NSButton *myRadioButton1;
IBOutlet NSButton *myRadioButton1;

In the implementaion, you can access the button state with something
like this (not tested):

if ([myRadioButton1 state]) {
NSLog(@"Button state is \"ON\"!");
// some other stuff
} else {
NSLog(@"Button state is \"OFF\"!");
// some more stuff...
}

to go further you can connect an IBAction to the button to call the
method above, so you can react directly to some button changes

------
You wrote:

I've managed (without using bindings, because I don't have time to read
a twenty page document
to get a radio button working) to get the value of a radio button due
to a click on one
of the set.  I did this by the [sender selectedTag] method in the
action method.

However there are times when I want to know the value of a radio button
not just when it
has been clicked.  I have tried to set it up the radio button set as
an outlet and then
checking the selectedTag however the variable that I created in my
class is nul

in mycontrolle.h I added:

IBOutlet NSMatrix *myRadioButtons;


then somewere in the program when I wanted the value i
tried

NSLog(@"%@", myRadioButtons);  //  <<---- printed out (null)
[myRadioButtons selectedTag];  // allways returns 0 of course...