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BM_SETCHECK

Windows Mobile 6.5
A version of this page is also available for
4/8/2010

This message is sent by an application to set the check state of a radio button or check box.


BM_SETCHECK wParam = (WPARAM) fCheck, 
    lParam = 0;

fCheck

Specifies the check state. It is one of the following values.

Value Description

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 unchecked.

lParam

Not used.

This message always returns zero.

The BM_SETCHECK message has no effect on push buttons.

Headerwinuser.h
Windows Embedded CEWindows CE 1.0 and later
Windows MobileWindows Mobile Version 5.0 and later

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