TB_GETSTATE


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TB_GETSTATE
TB_GETSTATE 
    wParam = (WPARAM) idButton; 
    lParam = 0; 
Retrieves information about the state of the specified button in a toolbar, such as whether it is enabled, pressed, or checked.
Returns the button state information if successful, or -1 otherwise. The button state information can be a combination of the values listed in Toolbar Button States.

idButton
Command identifier of the button for which to retrieve information.

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