CB_SHOWDROPDOWN
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4/8/2010
This message is sent by an application to show or hide the list box of a combo box that has the CBS_DROPDOWN or CBS_DROPDOWNLIST style.
Syntax
CB_SHOWDROPDOWN wParam = (WPARAM)(BOOL) fShow;
lParam = 0;
Parameters
- fShow
Boolean that specifies whether the drop-down list box is to be shown or hidden. A value of TRUE shows the list box; a value of FALSE hides it.
- lParam
Not used.
Return Value
The return value is always TRUE.
Requirements
| Header | winuser.h |
| Windows Embedded CE | Windows CE 1.0 and later |
| Windows Mobile | Windows Mobile Version 5.0 and later |