
This virtual function is called when a user scrolls the mouse pointer inside the window.
| Parameter | Description |
|---|---|
|
x |
x coordinate of the position to which the mouse pointer was scrolled, in pixels and relative to the origin of the window. |
|
y |
y coordinate of the position to which the mouse pointer was scrolled, in pixels and relative to the origin of the window. |
|
dx | |
|
dy |
