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WM_DELETEITEM message

  • Article

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
Winuser.h (include Windows.h)

See also

Reference

CB_DELETESTRING

CB_RESETCONTENT

DELETEITEMSTRUCT

LB_DELETESTRING

LB_RESETCONTENT