<aPos>
<aPos> is an array containing two elements { nX, nY } that specify the current position of the mouse pointer. By default, the coordinates are relative to the
lower left corner of the scroll bar object receiving the message.
Event XbpScrollBar():wheel Foundation
Mouse wheel is activated.
Syntax
:wheel := {| aPos, aWheel, self | ... }
:wheel( <aPos>, <aWheel> ) --> self
xbeM_Wheel (1048599)
Parameters
<aWheel>
<aWheel> is an array with five elements {nKeyMask, nDistance, nLines, nOffset, nLinesToScroll}.
The first element (nKeyMask) is a numeric value indicating special keys pressed while the user rotates the mouse wheel. The value of this element is either
0 (no special key is pressed) or the result of one or more of the following #define constants listed in XBP.CH.
Constants for key states
| Constant | Description |
|---|---|
| XBP_MK_LBUTTON | Left mouse button is pressed |
| XBP_MK_MBUTTON | Middle mouse button is pressed |
| XBP_MK_RBUTTON | Right mouse button is pressed |
| XBP_MK_CONTROL | Ctrl key is pressed |
| XBP_MK_SHIFT | Shift key is pressed |
Feedback
If you see anything in the documentation that is not correct, does not match your experience with the particular feature or requires further clarification, please use this form to report a documentation issue.