| WheelEvent Fields |
The WheelEvent type exposes the following members.
Fields| Name | Description | |
|---|---|---|
  | DOM_DELTA_LINE |
The units of measurement for the delta MUST be individual lines of text. This is the case for many form controls.
|
| DOM_DELTA_PAGE |
The units of measurement for the delta MUST be pages, either defined as a single screen or as a demarcated page.
|
| DOM_DELTA_PIXEL |
The units of measurement for the delta MUST be pixels. This is the most typical case in most operating system and implementation configurations.
|
See Also