LBN_ERRSPACE
The LBN_ERRSPACE notification message is sent when a list box cannot allocate enough memory to meet a specific request. The parent window of the list box receives this notification message through a WM_COMMAND message.
wParam
Specifies the identifier of the list box.
lParam
Specifies the handle of the list box in the low-order word, and specifies the LBN_ERRSPACE notification message in the high-order word.