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Leopard Technical Q&As: Text & Fonts
Cocoa is an object-oriented application environment designed specifically for developing Mac OS X-only native applications. The Cocoa frameworks support text input and display, handle fonts, convert text encodings, search text, and perform sophisticated typography.

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Drawing attributed strings that are both filled and stroked (HTML)
QA1531: Describes how the value of NSStrokeWidthAttributeName indicates fill, stroke, or both, in attributed strings.
2008-03-25
Connecting the Font Menu in Interface Builder 3 (HTML)
QA1571: How to connect and configure the Font/Format menus in Interface Builder 3.
2008-01-21
How do I get the hexadecimal value of an NSColor object? (HTML)
QA1576: Describes how to convert an NSColor object to its Hexadecimal value.
2007-12-19
How to make NSTextField accept tab, return and enter keys. (HTML)
QA1454: Describes how to make the NSTextField control accept tab, return and enter keys by using the control's dispatch delegate method.
2006-10-09
Disabling and Enabling an NSTextView (HTML)
QA1461: Shows how a Cocoa application can disable and enable an NSTextView.
2006-09-11