Scale used to control the size of a circle.
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from Tkinter import *
class ScaleDemo( Frame ):
def __init__( self ):
Frame.__init__( self )
self.pack( expand = YES, fill = BOTH )
self.master.title( "Scale Demo" )
self.master.geometry( "220x270" )
self.control = Scale( self, from_ = 0, to = 200,orient = HORIZONTAL, command = self.updateCircle )
self.control.pack( side = BOTTOM, fill = X )
self.control.set( 10 )
self.display = Canvas( self, bg = "white" )
self.display.pack( expand = YES, fill = BOTH )
def updateCircle( self, scaleValue ):
end = int( scaleValue ) + 10
self.display.delete( "circle" )
self.display.create_oval( 10, 10, end, end,fill = "red", tags = "circle" )
ScaleDemo().mainloop()
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