That is not an example from the docs. 

    my $getCursor = new Win32::API('user32', 'GetCursorPos','S','N');

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should be 
    my $getCursor = new Win32::API('user32', 'GetCursorPos','P','N');

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since $lpPoint is a scalar string formally. 'S'/'T' are only for ::Struct objects. The result of pack() is a scalar string. Not a blessed object. If you had a newer version of ::API, you would get a proper croak message 
                        croak("Win32::API::Call: parameter %d must be 
+a%s",  i+1, " Win32::API::Struct object!\n");

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much better than 0.68 blindly doing ->Pack() on whatever scalar happens to fall in as argument which is what is happening in your case.

In reply to Re^3: Low-level version of Win32::API::Struct by bulk88
in thread Low-level version of Win32::API::Struct by sgv_81

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