chenguang Zhang wrote: > Question 1.How to use the canvas.item_configure() method, for example, > if I want to change a line's color from red to blue, how to arrange the > parameters?
Use the fill or outline option, just as you do when creating new items. > Question 2.Tkinter has a tkColorChooser and its return value is > something like ((0, 255, 255), '#00ffff'), and I'm wondering how to use > it. Normally the color used in function (like > mycanvas.create_line(ax,ay,bx,by,fill=color)) is in words such as 'red' > or 'gray', how could I make the program recognize the numbers? the "#rrggbb" form can be used everywhere Tkinter expects a colour name: http://effbot.org/tkinterbook/tkinter-widget-styling.htm#rgb-syntax so you can just pass in the second part of the chooser's return value. > Question 3. Suppose there are several separate lines in my canvas, all > are created in one single function like 'createThings()'. What should I > do so that when I choose a color from the tkColorChoose, all of them > change their colors, like all change from red to ((0, 255, 255), > '#00ffff')? use tags: http://effbot.org/tkinterbook/canvas.htm#item-specifiers </F> _______________________________________________ Tkinter-discuss mailing list Tkinter-discuss@python.org http://mail.python.org/mailman/listinfo/tkinter-discuss
