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GAScrollView.h

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+//
+//  GAScrollView.h
+//  Car
+//
+//  Created by apple on 11-12-17.
+//  Copyright (c) 2011年 __MyCompanyName__. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@protocol GAScrollViewDelegate;
+
+@interface GAScrollView : UIScrollView 
+{
+    id<GAScrollViewDelegate> GADelegate_;
+}
+
+@property (nonatomic, assign) id<GAScrollViewDelegate> GADelegate;
+
+@end
+
+
+@protocol GAScrollViewDelegate <UIScrollViewDelegate>
+
+@optional
+- (void) GAScrollView:(GAScrollView *)scroll touchBegin:(NSSet *)touches withEvent:(UIEvent *)event;
+
+@end

GAScrollView.m

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+//
+//  GAScrollView.m
+//  Car
+//
+//  Created by apple on 11-12-17.
+//  Copyright (c) 2011年 __MyCompanyName__. All rights reserved.
+//
+
+#import "GAScrollView.h"
+
+@implementation GAScrollView
+
+@synthesize GADelegate = GADelegate_;
+
+- (void) touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event
+{
+    [super touchesBegan:touches withEvent:event];
+    [self.superview touchesBegan:touches withEvent:event];
+    if ([GADelegate_ respondsToSelector:@selector(GAScrollView:touchBegin:withEvent:)]) {
+        [GADelegate_ GAScrollView:self touchBegin:touches withEvent:event];
+    }
+}
+
+@end