CSnapInItemImpl::UpdateToolbarButton

BOOL UpdateToolbarButton( UINT id, BYTE fsState );

Parameters

Specifies the button ID of the toolbar button to be updated.

fsState

Specifies a toolbar button state. If this state is to be set, return TRUE. This can be a combination of the following flags:

ENABLED The button accepts user input. A button that does not have this state does not accept user input and is grayed.
CHECKED The button has the CHECKED style and is being pressed.
HIDDEN The button is not visible and cannot receive user input.
INDETERMINATE The button is grayed.
BUTTONPRESSED The button is being pressed.

Remarks

Call this function to modify a toolbar button, of the snap-in object, before it is displayed.