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<< Click to Display Table of Contents >> Navigation: ThinBASIC Modules > UI (User Interface) > CONTROLS > Control Types > Trackbar control > Trackbar Control Commands > TrackBar_SetLineSize |
Description
Sets the number of logical positions the trackbar's slider moves in response to keyboard input from the arrow keys.
The logical positions are the integer increments in the trackbar's range of minimum to maximum slider positions.
Syntax
n = TrackBar_SetLineSize(hWnd, ctrlID, lSize)
Returns
Number
Parameters
Name |
Type |
Optional |
Meaning |
hWnd |
Number |
No |
Handle of the dialog containing the control |
ctrlID |
Number |
No |
Control identifier assigned to the control during CONTROL ADD ... |
lSize |
Number |
No |
New line size. |
Remarks
The default setting for the line size is 1.
The trackbar also sends the %TB_LINEUP and %TB_LINEDOWN notification messages to its parent window when the user presses the arrow keys.
Restrictions
See also
Examples