Completion.connectActivateProposal

gulong connectActivateProposal(T)(T callback,  Flag!"After" after =  No.After) if (isCallable!T
    &&  is(ReturnType!T ==  void)
   && (Parameters!T.length <  1 || (ParameterStorageClassTuple!T[0]  ==  ParameterStorageClass.none &&  is(Parameters!T[0] :  gtksource.completion.Completion)))
   &&  Parameters!T.length <  2)

Connect to ActivateProposal signal.

The #GtkSourceCompletion::activate-proposal signal is a keybinding signal which gets emitted when the user initiates a proposal activation.

Applications should not connect to it, but may emit it with [gobject.global.signalEmitByName] if they need to control the proposal activation programmatically.

Parameters

`callback`	signal callback delegate or function to connect `void callback(gtksource.completion.Completion completion)` `completion` the instance the signal is connected to (optional)
`after`	Yes.After to execute callback after default handler, No.After to execute before (default)

Returns

Signal ID