Xcode - Code not doing anythinh

See more:

C

Objective-C

this is my ib action code

//background colour
-(IBAction)ChangeColourBackGroundRed{
    _TheBackGround.backgroundColor = [UIColor redColor];
    [_TheBackGround setBackgroundColor:[UIColor redColor]];
}

this is my viewer.h code

import <UIKit/UIKit.h>

@interface ViewController : UIViewController
//the browser
@property (weak, nonatomic) IBOutlet UITextField *SeachTextBox1;
@property (weak, nonatomic) IBOutlet UITextField *GoogleSearchTextbox1;
@property (weak, nonatomic) IBOutlet UIWebView *Webbrowser1;
@property (weak, nonatomic) IBOutlet UIButton *SplitANDunsplit;

//the bakground
@property (weak, nonatomic) IBOutlet UIWebView *TheBackGround;

//the options box
@property (weak, nonatomic) IBOutlet NSLayoutConstraint *OptionsButton;
@property (weak, nonatomic) IBOutlet UIView *OptionsBox;

@property (strong, nonatomic) IBOutlet UISwipeGestureRecognizer *SwipingGesture;

@end

And i connecteted the first responder b=changebackgroundcolor to the buton that says red, its mean to change the background color to red, but it just dose nother, can some one please help me i don't understand why its not workng, it should work!