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Sets the drop down state for a button with style TBSTYLE_DROPDOWN. Send this message explicitly or by using the Button_SetDropDownState macro.
Parameters
-
wParam [in]
-
A BOOL that is TRUE for state of BST_DROPDOWNPUSHED, or FALSE otherwise.
-
lParam
-
Must be zero.
Return value
Returns TRUE if successful, or FALSE otherwise.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2008 [desktop apps only] |
| Header |
|
See also
-
Reference
-
Conceptual