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Button_SetCheck macro

Sets the check state of a radio button or check box. You can use this macro or send the BM_SETCHECK message explicitly.

Syntax


LRESULT Button_SetCheck(
   HWND hwndCtl,
   int  check
);

Parameters

hwndCtl

Type: HWND

A handle to the button control.

check

Type: int

The check state. This parameter can be one of the following values.

ValueMeaning
BST_CHECKED

Sets the button state to checked.

BST_INDETERMINATE

Sets the button state to grayed, indicating an indeterminate state. Use this value only if the button has the BS_3STATE or BS_AUTO3STATE style.

BST_UNCHECKED

Sets the button state to cleared.

 

Return value

The return value is always zero.

Remarks

The macro has no effect on push buttons.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

Windowsx.h

 

 

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