On Thu, Aug 28, 2008 at 4:07 PM, harryos <[EMAIL PROTECTED]> wrote: > hi > i am trying to display an image on a canvas in a gui made with Tkinter > widgets > > > class PhotoDisplay: > def __init__(self,parent): > self.mainframe = Frame(parent,background="grey") > ..... > #added a subframe to hold canvas and button > .... > self.canvFrame=Frame(self.mainframe,...) > .... > self.mycanvas=Canvas(self.canvFrame,...) > ... > > def okbuttonClick(self): > self.mycanvas.delete(ALL) > myimagename=...#get an imagefilename from somewhere.. > self.showSelectedImage(myimagename) > > def showSelectedImage(self,imageName): > myimg=ImageTk.PhotoImage(file=imageName) > imgtag=self.mycanvas.create_image(70,100,image=myimg) > self.mycanvas.update_idletasks() > > > when i click the button ,the image is displayed for a fraction of a > second on the canvas and disappears.I couldn't figure out why this is > happening.I am quite new to Tkinter and still going thru Fredrik > Lundh's intro to tkinter..can someone tell me if i am doing sthing > wrong here?
You have to keep a reference to these images you are creating, otherwise as soon as those methods finishes they are gone. > thanks in advance > harry > -- > http://mail.python.org/mailman/listinfo/python-list > -- -- Guilherme H. Polo Goncalves -- http://mail.python.org/mailman/listinfo/python-list
