Title Bar Not visualized about inappstorewindow HOT 4 CLOSED

 /** The title bar view itself. Add subviews to this view that you want to show in the title bar (e.g. buttons, a toolbar, etc.).      This view can also be set if you want to use a different styled title bar aside from the default one (textured, etc.). **/
 @property (nonatomic, retain) NSView *titleBarView;

 - (void)setTitle:(NSString*)title
 {
self.windowMenuTitle = title;
if ( ![self isExcludedFromWindowsMenu] )
    [NSApp changeWindowsItem:self title:self.windowMenuTitle filename:NO];
 }

- (void)drawRect:(NSRect)dirtyRect

 NSSize titleSize=NSMakeSize(120.0,20.0);
 NSTextField *titleView = [[NSTextField alloc] initWithFrame:
                          NSMakeRect(aWindow.titleBarView.frame.size.width/2-titleSize.width/2, 
                                     aWindow.titleBarView.frame.size.height/2-titleSize.height/2, titleSize.width, titleSize.height)];
[titleView setBackgroundColor:[NSColor clearColor]];
[titleView setBezeled:NSNoBorder]; // remove the bezeled border
[titleView setEditable:NO];
[titleView setStringValue:@"Window Title"];
[titleView setTextColor:[NSColor grayColor]];

[[aWindow titleBarView] addSubview:titleView];

// handling color control color changes in NSWindow handler?