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			#1  
			
			
			
			
			
		 
		
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			Hi, How do I make the button  when i click on it, it only clicks ones. Every time i click in a button, it does it twice. 
		
		
		
		
		
		
		
		
	
	Thank you Alaa G  | 
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			#2  
			
			
			
			
			
		 
		
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			Hi, 
		
		
		
		
		
		
		
		
	
	The second parameter in the button callback event signifies whether the button is being pressed or released. So you would need to do something like this: Code: 
	def onbutton(obj,state):
    if state == viz.DOWN:
        if obj == mybutton:
            #my button has been clicked
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