for position (i.e. [20,30]) needs to be a Wx::Point instance.

Close , but that is a wxPerl shortcut for Wx::Point->new( 20, 30 ), like explained in the introductory tutorials, see my wxWidgets / wxPerl / wxGlade tutorial, Re: wxPerl fails with a cryptic message: "variable is not of type Wx::Point"

In reply to Re^2: wxPerl fails with a cryptic message: "variable is not of type Wx::Point" by Anonymous Monk
in thread wxPerl fails with a cryptic message: "variable is not of type Wx::Point" by HelenCr

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