Labels:text | screenshot | font | number | document OCR: Code Description NM_ CLICK User has clicked the left mouse button within the control. NM_ DBLCLK User has double-clicked the left mouse button within the control NM_ENDWAIT The control has completed a lengthy operation. NM_KILLFOCUS The control has lost the input focus. NM_OUTOFMEMORY The control could not complete an operation because not. enough memory is available NM_RCLICK User has clicked the right mouse button within the control. NM_RDBLCLK 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_SETFOCUS Control has received the input focus NM_STARTWAIT Control has started a lengthy operation. Table 1: Shared notification codes.