Programming |  Windows Programming |  Button_SetCheck

Button_SetCheck

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
  A handle to the button control.
• check
  The check state. This parameter can be one of the following values.
  • 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.

Macro Information

• Header Declared in Windowsx.h
• Minimum operating systems Windows 95, Windows NT 3.1