[ Version ( since = "3.14" ) ]
public bool get_start_point (out double x, out double y)
If the this is active, this function returns true and fills in
x and y with the drag start coordinates, in window-relative coordinates.
| this |
a Gesture |
| x |
X coordinate for the drag start point |
| y |
Y coordinate for the drag start point |
|
true if the gesture is active |