Retrieves the values set by set_drag_threshold.
If the x_drag_threshold property or the y_drag_threshold property have been set to -1 then this function will return the default drag threshold value as stored by the dnd_drag_threshold property of Settings.
| this | |
| x_threshold |
return location for the horizontal drag threshold value, in pixels |
| y_threshold |
return location for the vertical drag threshold value, in pixels |