DragStartEvent 继承自： Event[EventControlType]

Start payload for recognized drag gestures.

属性

名称	类型	默认值	说明
kind	PointerDeviceType	metadata={'data_field': 'k'}	The kind of the device that initiated the event.
local_position	Offset	metadata={'data_field': 'l'}	The local position in the coordinate system of the event receiver at which the pointer contacted the screen.
global_position	Offset	metadata={'data_field': 'g'}	The global position at which the pointer contacted the screen. Defaults to the origin if not specified in the constructor.
timestamp	Optional[Duration]	None	Recorded timestamp of the source pointer event that triggered the drag event. Could be None if triggered from proxied events such as accessibility.