An application sends an LB_DELETESTRING message to delete a string in a list box.
LB_DELETESTRING wParam = (WPARAM) index; // index of string to delete lParam = 0; // not used; must be zero
Windows 95: The wParam parameter is limited to 16-bit values. This means list boxes cannot contain more than 32,767 items. Although the number of items is restricted, the total size in bytes of the items in a listbox is limited only by available memory.
The return value is a count of the strings remaining in the list. The return value is LB_ERR if the index parameter specifies an index greater than the number of items in the list.
If an application creates the list box with an owner-drawn style but without the LBS_HASSTRINGS style, the system sends a WM_DELETEITEM message to the owner of the list box so the application can free any additional data associated with the item.
LB_ADDSTRING, LB_INSERTSTRING, WM_DELETEITEM
|file: /Techref/os/win/api/win32/mess/src/msg09_26.htm, 1KB, , updated: 2008/3/20 04:58, local time: 2022/5/23 14:18,
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