bound frame size for ipad or landscape view

device_bound

    CGRect windowBounds;
    if (UIInterfaceOrientationIsLandscape([[UIDevice currentDevice] orientation])) {
        windowBounds =  CGRectMake( 0.0f, 0.0f, [[UIScreen mainScreen]bounds].size.height, [UIScreen mainScreen].bounds.size.width );
        
    }else{
        windowBounds =  CGRectMake( 0.0f, 0.0f, [[UIScreen mainScreen]bounds].size.width, [UIScreen mainScreen].bounds.size.height );
    }