Programming |  Windows Programming |  Button_GetCheck

Button_GetCheck

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

Syntax

    LRESULT Button_GetCheck(
        HWND hwndCtl
    );

Parameters

• hwndCtl
  A handle to the button control.

Return Value

The return value from a button created with the BS_AUTOCHECKBOX, BS_AUTORADIOBUTTON, BS_AUTO3STATE, BS_CHECKBOX, BS_RADIOBUTTON, or BS_3STATE style can be one of the following.

• BST_CHECKED Button is checked.
• BST_INDETERMINATE Button is grayed, indicating an indeterminate state (applies only if the button has the BS_3STATE or BS_AUTO3STATE style).
• BST_UNCHECKED Button is cleared

Remarks

If the button has a style other than those listed, the return value is zero.

Macro Information

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