How Query By Feature

[raffle peter]

Hi
      Can anyone Plz. tell me how to make a query so that after clicking the query point
  (Say point feature) in the map, i will be able to get all the feature(Say all point features) within a radius of say 100m in map units with center at the query point or 
  it should draw a rectangle(in some convenient units) and inside the rectangle all the 
  point feature is displayed.
   
  Any help will be highly appreciated.
  Thanks in advance.
  Raffle
   
   

		
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