This method retrieves the width, in pixels, by which the list-box portion of the combo box can be scrolled horizontally. This is applicable only if the list-box portion of the combo box has a horizontal scroll bar.
| Header file: | Afxwin.h |
| Platforms: | H/PC 2.0, Palm-size PC, H/PC Pro |
| Windows CE versions: | 1.0 and later |
| Complete documentation: | Visual C++ documentation |
UINT GetHorizontalExtent( ) const;