Dock.connectPanelDragBegin

Connect to PanelDragBegin signal.

This signal is emitted when dragging of a panel begins.

class Dock

ulong

connectPanelDragBegin

(

)

(

Flag!"After" after = No.After

)

if (

isCallable!T &&

is(ReturnType!T == void)

(

Parameters!T.length < 1 ||

(

ParameterStorageClassTuple!T[0] == ParameterStorageClass.none &&

)

(

Parameters!T.length < 2 ||

(

ParameterStorageClassTuple!T[1] == ParameterStorageClass.none &&

is(Parameters!T[1] : panel.dock.Dock)

)

Parameters!T.length < 3

)

Parameters

callback T: signal callback delegate or function to connect
void callback(panel.widget.Widget panel, panel.dock.Dock dock)
panel a #PanelWidget (optional)
dock 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)

Type: ulong

Signal ID