For scroll bar controls, this attribute determines the number of logical units by which the control's thumb (slider) moves in response to either pressing the PageUp or PageDown keys on the keyboard or by clicking within the control's shaft.
For slider controls, this attribute determines the number of logical units by which the control's thumb moves in response to either pressing the PageUp or PageDown keys on the keyboard or by clicking on the slider shaft on either side of the thumb.
Inside a numeric scale limited by the values of the control's MIN and MAX attributes, the value of this attribute determines the size of the steps by which the thumb will be moved. If you set a small value in relation to the MIN and MAX attributes, the thumb will move continuously. If you set a larger value, the thumb will move in visible steps.
| Applies to | Scrollbar control, slider control. |
|---|---|
| Data Type | I4 |
| Default Value | 0 |
| Possible Values | 0 or any other integer value |
