BM_SETCHECK message
Sets the check state of a radio button or check box. You can send this message explicitly or by using the Button_SetCheck macro.
Parameters
- wParam
-
The check state. This parameter can be one of the following values.
Value Meaning - 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.
- lParam
-
This parameter is not used.
Return value
This message always returns zero.
Remarks
The BM_SETCHECK message has no effect on push buttons.
Requirements
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Minimum supported client | Windows 2000 Professional [desktop apps only] |
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Minimum supported server | Windows 2000 Server [desktop apps only] |
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Header |
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See also
- Reference
- BM_GETCHECK
- BM_GETSTATE
- BM_SETSTATE
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Build date: 10/27/2012
