Description
Scrolls the edit control of a DataWindow a specified number of lines up or down.
Applies to
Syntax
PowerBuilder
long dwcontrol.Scroll ( long number )
|
Argument |
Description |
|---|---|
|
dwcontrol |
A reference to a DataWindow control. Scroll affects the edit control of the DataWindow. |
|
number |
A value specifying the direction and number of lines you want to scroll. To scroll down, use a positive value. To scroll up, use a negative value. |
Return value
Scroll returns the line number of the first visible line in dwcontrol if it succeeds. Scroll returns -1 if an error occurs. If any argument's value is null, Scroll returns null.
Usage
If the number of lines left in the list is less than the number of lines that you want to scroll, then Scroll will scroll to the beginning or end, depending on the direction specified.
Examples
This statement scrolls mle_Employee down 4 lines:
mle_Employee.Scroll(4)
This statement scrolls mle_Employee up 4 lines:
mle_Employee.Scroll(-4)
See also
The following related methods implement scrolling in a DataWindow or a PowerBuilder RichTextEdit control:
