[CLOSED] dragging the scroll bar, CPU occupancy

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When dragging the scroll bar, CPU occupancy rate is very high。       100 rows~60%cpu     
when i use the project build in MFC, CPU occupancy rate is very low.   1000rows ~20%cpu

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ynwlgh Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 23 November 2010 Location: china shanghai Status: Offline Points: 2	Topic: [CLOSED] dragging the scroll bar, CPU occupancy Posted: 15 December 2010 at 8:49pm
	When dragging the scroll bar, CPU occupancy rate is very high。 100 rows~60%cpu when i use the project build in MFC, CPU occupancy rate is very low. 1000rows ~20%cpu