TBM_SETLINESIZE message
Sets the number of logical positions the trackbar's slider moves in response to keyboard input from the arrow keys, such as the or keys. The logical positions are the integer increments in the trackbar's range of minimum to maximum slider positions.
Parameters
-
wParam
- Must be zero.
-
lParam
-
New line size.
Return value
Returns a 32-bit value that specifies the previous line size.
Remarks
The default setting for the line size is 1.
The trackbar also sends a WM_HSCROLL or WM_VSCROLL message with the TB_LINEUP and TB_LINEDOWN notification codes to its parent window when the user presses the arrow keys.
Requirements
Requirement | Value |
---|---|
Minimum supported client |
Windows Vista [desktop apps only] |
Minimum supported server |
Windows Server 2003 [desktop apps only] |
Header |
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See also
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