[Qgis-developer] Is QGIS supports dynamic display?

[腾飞 牛]

Dear all,	I'm a new developer of QGIS using C++. I am doing a project which needs dynamically displaying maps/layers(just like GPS,layers automatically refreshing with the changing of object's position).I kown ARCGIS has the technique called dynamic diasplay(or something like that),which supports the capacity to do such things. Is QGIS has this ability? Any advices would be appreciated!
RegardsBob 		 	   		  
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