NSScrollView右下角的处理

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@interface MyScrollView : NSScrollView { } @end   @implementation MyScrollView  - (void)drawRect:(NSRect)rect{           [super drawRect: rect];            if([self hasVerticalScroller] && [self hasHorizontalScroller])        {                      NSRect vframe = [[self verticalScroller]frame];                      NSRect hframe = [[self horizontalScroller]frame];                      NSRect corner;                      corner.origin.x = NSMaxX(hframe);                      corner.origin.y = NSMinY(hframe);                      corner.size.width = NSWidth(vframe);                      corner.size.height = NSHeight(hframe);                       // your custom drawing in the corner rect here                      [[NSColor redColor] set];                      NSRectFill(corner);        } } @end 

	
				
		
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