connectDragBegin

fun connectDragBegin(connectFlags: <Error class: unknown class> = ConnectFlags(0u), handler: (<Error class: unknown class>, <Error class: unknown class>) -> Unit): <Error class: unknown class>

Emitted whenever dragging starts.

Parameters

connectFlags

A combination of ConnectFlags

handler

the Callback to connect. Params: startX X coordinate, relative to the widget allocation; startY Y coordinate, relative to the widget allocation