ocr: Code Description NM CLICK User has clicked the left mouse button within the control. NMI DBLCLK User has double-clicked the left mouse button within the control. NM_ENDWAIT The control has completed a lengthy operation. VMLKILLFOCUS The control has lost the input focus. IMOUTOFMEMORY The control could not complete an operation because: not enough memory is available, NMRCLICK User has clicked the right mouse button within the control. NMRDBLCLK User has double-clicked the right mouse button within the control. NM. RETURN Control has the input focus, and the user has pressed the ENTER key. NM_S ...