Cocoa – Create nswindow in full screen mode

NSRect screenRect; 
 NSArray *screenArray = [NSScreen screens];
 unsigned screenCount = [screenArray count];
 unsigned index = 0;

 for (index; index  {
 NSScreen *screen = [screenArray objectAtIndex: index];
 screenRect = [screen visibleFrame];
 }

unsigned int styleMask = NSTitledWindowMask 
 | NSMiniaturizableWindowMask;


 myWindow = [NSWindow alloc];
 myWindow = [myWindow initWithContentRect: screenRect
 styleMask: styleMask
 backing: NSBackingStoreBuffered
 defer: NO];
 [myWindow setTitle: @"This is a test window"];

Is there a way to create NSWindow in full screen mode? NSWindow has ToggleFullscreen: selector, but it will create the window normally and animate it as a full screen version, which is not what I want. Other ways of doing this?

First find the screen size

NSRect screenRect;
 NSArray *screenArray = [NSScreen screens] ;
 unsigned screenCount = [screenArray count];
 unsigned index = 0;

 for (index; index  {
 NSScreen *screen = [screenArray objectAtIndex: index];
 screenRect = [screen visibleFrame];
 }

screenRect contains the screen size, now create a window and set the NSWindow size to the screen size .

unsigned int styleMask = NSTitledWindowMask 
 | NSMiniaturizableWindowMask;

 myWindow = [NSWindow alloc];
 myWindow = [myWindow initWithContentRect: screenRect
 styleMask: styleMask
 backing: NSBackingStoreBuffered
 defer: NO];
 [myWindow setTitle: @"This is a test window"];