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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
Type: HWND
A handle to the button control.
check
Type: int
The check state. This parameter can be one of the following values.
| Value | Meaning |
|---|---|
|
Sets the button state to checked. |
|
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. |
|
Sets the button state to cleared. |
Return value
Type: LRESULT
The return value is always zero.
Remarks
The macro has no effect on push buttons.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows Vista [desktop apps only] |
| Minimum supported server | Windows Server 2003 [desktop apps only] |
| Target Platform | Windows |
| Header | windowsx.h |