WM_DELETEITEM message
Sent to the owner of a list box or combo box when the list box or combo box is destroyed or when items are removed by the LB_DELETESTRING, LB_RESETCONTENT, CB_DELETESTRING, or CB_RESETCONTENT message. The system sends a WM_DELETEITEM message for each deleted item. The system sends the WM_DELETEITEM message for any deleted list box or combo box item with nonzero item data.
WM_DELETEITEM
WPARAM wParam;
LPARAM lParam;
Parameters
-
wParam
-
Specifies the identifier of the control that sent the WM_DELETEITEM message.
-
lParam
-
Pointer to a DELETEITEMSTRUCT structure that contains information about the item deleted from a list box.
Return value
An application should return TRUE if it processes this message.
Remarks
Microsoft Windows NT and later: Windows sends a WM_DELETEITEM message only for items deleted from an owner-drawn list box (with the LBS_OWNERDRAWFIXED or LBS_OWNERDRAWVARIABLE style) or owner-drawn combo box (with the CBS_OWNERDRAWFIXED or CBS_OWNERDRAWVARIABLE style).
Windows 95: Windows sends the WM_DELETEITEM message for any deleted list box or combo box item with nonzero item data.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
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