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Opening an external file in a external application

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Opening an external file in a external application

Subject: Opening an external file in a external application
From: John Love <email@hidden>
Date: Mon, 11 Aug 2008 14:38:28 -0400

I have a multiple document Cocoa app where I (try to) open an external file in whatever application the file belongs to -- in my case, an Excel spreadsheet in Excel. The new Cocoa document window shown keeps track of the calculation progress in Excel via a NSProgressIndicator and a NSTextField.

So, instead of opening a text file and showing it directly in the NSWindow of MyDocument, I just want to startup Excel by selecting the appropriate file in Cocoa's open dialog. I have 'XLS8' in my "info.plist" file. The Excel spreadsheet opens up and the NSProgressIndicator starts spinning and the appropriate text is placed in the NSTextField.

I believe I want to do this opening within my override of - readFromURL. Am I on the right track here?

John Love
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