This message is sent by an application to change the highlight state of a button.
At a Glance
| Header file: | Winuser.h |
| Windows CE versions: | 1.0 and later |
Syntax
BM_SETSTATE wParam = (WPARAM) fState; lParam = 0;
Parameters
fState
Boolean that specifies whether the button is to be highlighted. A value of TRUE highlights the button. A value of FALSE removes any highlighting.
Return Values
This message always returns zero.
Remarks
Highlighting only affects the appearance of a button. It has no effect on the check state of a radio button or check box.
A button is automatically highlighted when the user positions the cursor over it and presses and holds the left mouse button. The highlighting is removed when the user releases the mouse button.
See Also