[wxperl-users] ToolBar question

[herbert b. <dei...@we...>]

i recognized that there are some thing the other way than in the docs.
please tell me what the undef parameter stands for?

$tb->AddTool( 10001, $bmp, wxNullBitmap, wxITEM_NORMAL, undef, 
'tooltip', 'statustext' );

mille grazie
herbert
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