Much better,
baklobsters ... your code example now runs (although I would still recommend understanding how to
use strict and
use warnings).
I've only used the Photo object before to create images in the GUI itself, so I went to Active State's website to find out what they support. According to their documentation for the Photo object:
The standard Tk distribution comes with handlers for XBM, XPM, BMP, JPEG, PNG and PPM/PGM formats, which are automatically registered on initialization.
I didn't see anything there about the Window format, or any kind of reference to doing a screen capture. Are you sure it's supposed to be a valid operation?
If it's a screen capture you need, would you consider doing it with a separate program? If so, you might want to try The Gimp, which is a very powerful freeware image editor that supports screenshots (single windows and desktop both), and runs great on Windows.
@ARGV=split//,"/:L";
map{print substr crypt($_,ord pop),2,3}qw"PerlyouC READPIPE provides"
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