TB_CHECKBUTTON Overview  Group

The TB_CHECKBUTTON message checks or unchecks a given button in a toolbar.

TB_CHECKBUTTON 

wParam = (WPARAM) idButton; 

lParam = (LPARAM) MAKELONG(fCheck, 0); 

 

Parameters

idButton

Command identifier of the button to check.

fCheck

Check flag. If this parameter TRUE, the check is added. If it is FALSE, the check is removed.

Return Values

Returns TRUE if successful or FALSE otherwise.

Remarks

When a button has been checked, it appears to have been pressed.