摘要： itk_option remove optName ?optName optName ...? Removes one or more options from the composite option list for a mega-widget. Here, optName can have one of the forms described above for the "itk_option add" command.Options are normally integrated into the composite option list when a compo 阅读全文

摘要： suppose the command set script [namespace code {foo bar}] is invoked in namespace ::a::b. Then eval "$script x y" can be executed in any namespace (assuming the value of script has been passed in properly) and will have the same effect as the command ::namespace eval ::a::b {foo bar x y}. 阅读全文