Holder.connectChanged

Connect to Changed signal.

Gets emitted when holder's value has changed

class Holder

ulong

connectChanged

(

T

)

(

,

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] : gda.holder.Holder)

)

)

&&

Parameters!T.length < 2

)

Parameters

callback T: signal callback delegate or function to connect
void callback(gda.holder.Holder holder)
holder the instance the signal is connected to (optional)
after Flag!"After": Yes.After to execute callback after default handler, No.After to execute before (default)

Return Value

Type: ulong

Signal ID