Problem on clearing points and paths on a NSView

Tue, 22 Jul 2008 15:04:25 -0700 

Hi,
I met a problem on clearing points and paths on a customized NSView. I set four NSBezierPath for drawing: pathForPositionMeasure, pathForDistanceMeasure, pathForAngleMeasure and selectedPath, and used the following code for clearing: 

                [pathForPositionMeasure removeAllPoints];
                [pathForDistanceMeasure removeAllPoints];
                [pathForAngleMeasure removeAllPoints];
                [selectedPath removeAllPoints]; 
                [self setNeedsDisplay:YES];


And the drawRect is only contained the code to draw these four paths.  
But after these lines are executed, points and paths are still there  
on the view. Is there any way to clear them?


Thanks in advance!
---------------
JArod Wen




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