Button_SetDropDownState macro (commctrl.h)

Sets the drop down state for a specified button with style of BS_SPLITBUTTON. Use this macro or send the BCM_SETDROPDOWNSTATE message explicitly.

Syntax

BOOL Button_SetDropDownState(
  [in] HWND hwnd,
  [in] BOOL fDropDown
);

Parameters

[in] hwnd

Type: HWND

A handle to the button control.

[in] fDropDown

Type: BOOL

TRUE for state of BST_DROPDOWNPUSHED, or FALSE otherwise.

Return value

Type: BOOL

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]
Target Platform	Windows
Header	commctrl.h