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my skill code creates a drop down menu in the layout window. But when I load the skill again i get an error - "*Error* User post install trigger already registered for viewType maskLayout."
How to update the code for the removing the error?
Sorry, it is Pull Down menu, with the code like
procedure( trUserPostInstallTrigger(args) hiInsertBannerMenu( args->window trCreateLayoutPulldownMenu() length( hiGetBannerMenus( args->window)) ) ; hiInsertBannerMenu) ; procedure trUserPostInstallTrigger
deRegUserTriggers("maskLayout" nil nil 'trUserPostInstallTrigger)
In reply to AnuJoamon:
the pull-down menu is created
procedure( trCreateLayoutPulldownMenu() if( boundp( 'trLayoutPulldownMenu ) then trLayoutPulldownMenu else hiCreatePulldownMenu( 'trLayoutPulldownMenu "TEST" list( hiCreateMenuItem( ; list of menu items ?name 'CleanLSW ?itemText "TEST" ?callback "LAYOUT_TEST()" ) ; hiCreateMenuItem ) ; list ) ; hiCreatePulldownMenu ) ; if boundp) ; procedure trCreateLayoutPulldownMenu
Please also suggest, if I can write the Menu create procedures above the callback procedures or it needs to be in bottom-up approach.
To answer your last question, you can define the procedures you are using in the menu before or after the menu item is defined. It is independent of the item definition and will only cause an error if it is not available when the menu button is pushed.
Your initial issue is because there is already user triggers set for maskLayout. You have to get that information and add your trigger to it.Note that if there is more than one procedure defined for a trigger, you will only get the first procedure.
appInfo = deGetAppInfo( "maskLayout" ) ;returns a property list where:
userApp = appInfo->userAppTrigList ; This is the user pre install trigger
userMenu = appInfo->userMenuTrigList ; This is the user menu trigger
userPost = appinfo->userPostInstallTrigList ; This is the post intall list
deUnRegUserTriggers("maskLayout") ; Unregister the triggers
deRegUserTriggers( "maskLayout" userApp userMenu 'trPostUserInstallTrigger)
You probably can find more info on these in the Virtuoso Design Environment SKILL Reference.