BM_SETCHECK
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;
Parameters
- 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.
Return Values
This message always returns zero.
Remarks
The BM_SETCHECK message has no effect on push buttons.
Requirements
| Runs On | Versions | Defined in | Include | Link to |
|---|---|---|---|---|
| Windows CE OS | 1.0 and later | Winuser.h |
Note This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.
See Also
BM_GETCHECK, BM_GETSTATE, BM_SETSTATE
Last updated on Tuesday, July 13, 2004
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