added NSTableView_setObjectValue sample project

NSTableView_setObjectValue/BDObject.h

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+//
+//  BDObject.h
+//  NSTableView_setObjectValue
+//
+//  Created by Brian Dunagan on 4/24/09.
+//  Copyright 2009 bdunagan.com. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+
+@interface BDObject : NSObject {
+	BOOL isChecked;
+}
+
+- (id)init;
+- (BOOL)isChecked;
+- (void)setIsChecked:(BOOL)newValue;
+- (NSString *)status;
+- (void)setStatus:(id)value;
+
+@end

NSTableView_setObjectValue/BDObject.m

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+//
+//  BDObject.m
+//  NSTableView_setObjectValue
+//
+//  Created by Brian Dunagan on 4/24/09.
+//  Copyright 2009 bdunagan.com. All rights reserved.
+//
+
+#import "BDObject.h"
+
+@implementation BDObject
+
+- (id)init {
+	self = [super init];
+	if (self != nil) {
+		isChecked = NO;
+	}
+	return self;
+}
+
+- (BOOL)isChecked {
+	return isChecked;
+}
+
+- (void)setIsChecked:(BOOL)newValue {
+	isChecked = newValue;
+
+	// Update dependent property.
+	[self setStatus:nil];
+}
+
+- (NSString *)status {
+	return isChecked ? @"Checked" : @"Unchecked";
+}
+
+- (void)setStatus:(id)value {}
+
+@end

NSTableView_setObjectValue/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>English</string>
+	<key>CFBundleExecutable</key>
+	<string>${EXECUTABLE_NAME}</string>
+	<key>CFBundleIconFile</key>
+	<string></string>
+	<key>CFBundleIdentifier</key>
+	<string>com.yourcompany.${PRODUCT_NAME:identifier}</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>${PRODUCT_NAME}</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleSignature</key>
+	<string>????</string>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+	<key>NSMainNibFile</key>
+	<string>MainMenu</string>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
+</dict>
+</plist>

NSTableView_setObjectValue/MainController.h

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+//
+//  MainController.h
+//  NSTableView_setObjectValue
+//
+//  Created by Brian Dunagan on 4/24/09.
+//  Copyright 2009 bdunagan.com. All rights reserved.
+//
+
+#import <Cocoa/Cocoa.h>
+
+@interface MainController : NSObject {
+	IBOutlet NSTableView *list;
+	IBOutlet NSArrayController *objects;
+}
+
+@end

NSTableView_setObjectValue/MainController.m

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+//
+//  MainController.m
+//  NSTableView_setObjectValue
+//
+//  Created by Brian Dunagan on 4/24/09.
+//  Copyright 2009 bdunagan.com. All rights reserved.
+//
+
+#import "MainController.h"
+#import "BDObject.h"
+
+@implementation MainController
+
+- (void)awakeFromNib {
+	BDObject *object;
+
+	object = [[BDObject alloc] init];
+	[objects addObject:object];
+	[object release];
+
+	object = [[BDObject alloc] init];
+	[objects addObject:object];
+	[object release];
+}
+
+- (void)tableView:(NSTableView *)aTableView setObjectValue:(id)anObject forTableColumn:(NSTableColumn *)aTableColumn row:(NSInteger)rowIndex {
+	if (aTableView == list) {
+		// Update dependent instances.
+		BOOL newValue = [[[objects arrangedObjects] objectAtIndex:rowIndex] isChecked];
+		for (BDObject *object in [objects arrangedObjects]) {
+			[object setIsChecked:newValue];
+		}
+	}
+}
+
+@end