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Re: How do I add a NSMatrix to a NSMutableArray

Subject: Re: How do I add a NSMatrix to a NSMutableArray
From: Graham Cox <email@hidden>
Date: Mon, 1 Nov 2004 00:09:36 +1100
Delivered-to: email@hidden
Delivered-to: email@hidden

There isn't a method that sets the selection from an array. You'll have to iterate through the cells in the array and then select them one at a time.

This might tell you something ;-)

I suspect that you're trying to manipulate the selection in a way that it's not designed for. The methods of NSMatrix include many different ways of manipulating the selection, but this isn't one of them. What are you trying to do? It always helps to work with the framework rather than against it.

--Graham

On 31 Oct 2004, at 11:07 pm, Peter Karlsson wrote:

Hi!

And thanks for you help. One more question if you have the time. I want to
set the matrix from the mutablearray as well. How do I do that?

Peter

Ursprungligt meddelande

Try:

NSMutableArray* myArray = [[myMatrix selectedCells] mutableCopy ];

Now, your code:

[myMutableArray addObject:

will add one object to an array...

[NSString stringWithFormat: @"%d"

...which will be a string object...

@"%d",
[myMatrixOutlet selectedCells]]];

...errr, this doesn't do anything sensible. It's trying to turn an
array into an integer, then format a string with it. You can't do that.

--Graham

On 31 Oct 2004, at 9:52 pm, Peter Karlsson wrote:

A little correction. I mean, how do I add the values of a matrix to a
mutablearray. Sorry for that.

Peter

Ursprungligt meddelande

Dear list!

How do I add a NSMatrix to a NSMutableArray? I have tried this:

[myMutableArray addObject:[NSString stringWithFormat: @"%d",
[myMatrixOutlet selectedCells]]];

But I'm a little unsure if it's the right way.

I also want to read it back from the array into the matrix.

Best regards Peter

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