Yes, and in that same Chapter 23 of Mastering Perl/Tk, they offer the following code snippet,

my $cursor = $^0 eq 'MSWin32' ? 'mouse' : [qw/@mouse.xbm mouse.mask brown white/];

along with the comment, "What it's telling us is that, unfortunately, home-brewed cursors are not supported on Win32 machines [emphasis mine]; we use a built-in cursor named mouse instead."

Hence, the point of my question. If I can't create my own cursor under Windows, how can I modify one of the built-in ones? (The file "cursorfont.h", BTW, is just a header file, associating cursor names with numbers.)

In reply to Re: Modifying Standard Tk Cursors? by Dr. Mu
in thread Modifying Standard Tk Cursors? by Dr. Mu

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