◄CWnd► ◄Up► ◄Contents► ◄Index► ◄Back► ──Microsoft Foundation Classes────────────────────────────────────────────── The following message handlers require an entry in a message map. ◄OnCharToItem► Called by a child list box with the ◄LBS_WANTKEYBOARDINPUT► style in response to a ◄WM_CHAR► message. ◄OnCompareItem► Called to determine the relative position of a new item in a sorted owner-draw combo or list box. ◄OnDeleteItem► Called when an owner-draw list box or combo box is destroyed or when items are removed from the control by calls to ◄CComboBox::DeleteString► or ◄CComboBox::ResetContent►. ◄OnDrawItem► Called when a visual aspect of an owner-draw button control, combo box control, list box control, or menu needs to be drawn. ◄OnGetDlgCode► Called for a control so the control can process ARROW key and TAB key input itself, although Windows normally handles this input. ◄OnMeasureItem► Called for an owner-draw button, combo box, list box, or menu item when the control is created. CWnd informs Windows of the dimensions of the control. ◄OnVKeyToItem► Called by a list box owned by CWnd in response to a ◄WM_KEYDOWN► message. -♦-