RectControl.MouseWheel Event
The mouse wheel has been moved.

MouseWheel(
X
as Integer,
Y
as Integer,
DeltaX
as Integer,
DeltaY
as Integer)
as Boolean
Parameters
- X
- The x coordinate of the mouse.
- Y
- The y coordinate of the mouse.
- DeltaX
- Holds the number of scroll lines the wheel has been moved horizontally, as defined by the operating system.
- DeltaY
- Holds the number of scroll lines the wheel has been moved vertically, as defined by the operating system.
Returns
- Boolean
- Return True to prevent the event from propagating further.
Remarks
This event is part of Xojo base class.