BCM_SETDROPDOWNSTATE message

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

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Commctrl.h

See also

Reference
Button Styles
Conceptual
Button Types

 

 

Community Additions

ADD
Show:
© 2014 Microsoft