CB_GETHORIZONTALEXTENT message
Gets the width, in pixels, that the list box can be scrolled horizontally (the scrollable width). This is applicable only if the list box has a horizontal scroll bar.
Parameters
-
wParam
-
Not used; must be zero.
-
lParam
-
Not used; must be zero.
Return value
The return value is the scrollable width, in pixels.
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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