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Re: multiple selection not taking in NSOpenPanel

Each time calling [NSOpenPanel openPanel] creates a
"fresh" panel. You need to create a variable and save
the openPanel, then modify the one instance.

NSOpenPanel *myOpenPanel = [NSOpenPanel openPanel];
[myOpenPanel setAllowsMultipleSelection: YES];
[myOpenPanel beginSheetForDirectory: ... ];

I believe it's mentioned in the docs for the class,
but it is a bit misleading as it talks a bit about
"recycling" the panel each time...

- John Haney
http://www.johnhaney.com/

--- Matthew Weinstein wrote:
> This has really been bugging me... I cannot get the
> multiple
> selection option to work in NSOpenPanel. It SEEMS so
> straight forward:
> <code>
> NSMutableArray *mytype = [NSMutableArray
> arrayWithObjects:
> @"txt", @"rtf", @"RTF", @"TXT", nil];
> [mytype removeLastObject];
> [[NSOpenPanel openPanel]
> setAllowsMultipleSelection: YES];
>
> [[NSOpenPanel openPanel]
> beginSheetForDirectory: nil file: nil
> types: mytype
> modalForWindow: myWindow modalDelegate:self
>
didEndSelector:@selector(openPanelDidEnd:returnCode:contextInfo:)
> contextInfo: nil];
> </code>
>
> What am I missing?
> --
> Matthew Weinstein
> Associate Professor of Science Education
> Kent State University
>
> 404D White Hall
> KSU
> Kent, OH 44242
>
> 330-672-0653
>
> email@hidden
> http://educ.kent.edu/~mweinste

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