The ZGN_EDITEND notification message is sent when the user finishes editing an editable cell. This message is sent prior to the ZeeGrid writing the edit control contents to the cell. The parent window of the ZeeGrid control receives this notification message through the WM_COMMAND message.
ZGN_EDITEND
idZeeGrid = (int) LOWORD(wParam); //identifier of the ZeeGrid control
hwndZeeGrid = (HWND) lParam; //handle to the ZeeGrid control