TabBar.connectExtraDragValue

gulong connectExtraDragValue(T)(T callback,  Flag!"After" after =  No.After) if (isCallable!T
    &&  is(ReturnType!T ==  gdk.types.DragAction)
   && (Parameters!T.length <  1 || (ParameterStorageClassTuple!T[0]  ==  ParameterStorageClass.none &&  is(Parameters!T[0] :  adw.tab_page.TabPage)))
   && (Parameters!T.length <  2 || (ParameterStorageClassTuple!T[1]  ==  ParameterStorageClass.none &&  is(Parameters!T[1]  ==  gobject.value.Value)))
   && (Parameters!T.length <  3 || (ParameterStorageClassTuple!T[2]  ==  ParameterStorageClass.none &&  is(Parameters!T[2] :  adw.tab_bar.TabBar)))
   &&  Parameters!T.length <  4)

Connect to ExtraDragValue signal.

This signal is emitted when the dropped content is preloaded.

In order for data to be preloaded, propertyTabBar:extra-drag-preload must be set to TRUE.

The content must be of one of the types set up via [adw.tab_bar.TabBar.setupExtraDropTarget].

See [gtk.drop_target.DropTarget.value].

Parameters

callback signal callback delegate or function to connect gdk.types.DragAction callback(adw.tab_page.TabPage page, gobject.value.Value value, adw.tab_bar.TabBar tabBar) page the page matching the tab the content was dropped onto (optional) value the [gobject.value.Value] being dropped (optional) tabBar the instance the signal is connected to (optional) Returns the preferred action for the drop on page

after Yes.After to execute callback after default handler, No.After to execute before (default)

Returns

Signal ID