Widget.connectPropertyNotifyEvent

Connect to PropertyNotifyEvent signal.

The ::property-notify-event signal will be emitted when a property on the widget's window has been changed or deleted.

To receive this signal, the #GdkWindow associated to the widget needs to enable the #GDK_PROPERTY_CHANGE_MASK mask.

class Widget
gulong
connectPropertyNotifyEvent
(
T
)
(,
Flag!"After" after = No.After
)
if (
isCallable!T &&
is(ReturnType!T == bool)
&&
(
Parameters!T.length < 1 ||
(
ParameterStorageClassTuple!T[0] == ParameterStorageClass.none &&
)
)
&&
(
Parameters!T.length < 2 ||
(
ParameterStorageClassTuple!T[1] == ParameterStorageClass.none &&
is(Parameters!T[1] : gtk.widget.Widget)
)
)
&&
Parameters!T.length < 3
)

Parameters

callback T

signal callback delegate or function to connect

bool callback(gdk.event_property.EventProperty event, gtk.widget.Widget widget)

event the #GdkEventProperty which triggered this signal. (optional)

widget the instance the signal is connected to (optional)

Returns true to stop other handlers from being invoked for the event. false to propagate the event further.

after Flag!"After"

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

Return Value

Type: gulong

Signal ID