XPSendMessageToWidget

xplm_sys

Function XPSendMessageToWidget 

Source 
pub unsafe extern "C" fn XPSendMessageToWidget(
    inWidget: XPWidgetID,
    inMessage: XPWidgetMessage,
    inMode: XPDispatchMode,
    inParam1: isize,
    inParam2: isize,
) -> c_int