LB_SETITEMHEIGHT

An application sends an LB_SETITEMHEIGHT message to set the height, in pixels, of items in a list box. If the list box has the LBS_OWNERDRAWVARIABLE style, this message sets the height of the item specified by the index parameter. Otherwise, this message sets the height of all items in the list box.

LB_SETITEMHEIGHT

wParam = (WPARAM) index; // item index

lParam = MAKELPARAM(cyItem, 0); // item height

Parameters

index

Value of wParam. Specifies the zero-based index of the item in the list box. Use this parameter only if the list box has the LBS_OWNERDRAWVARIABLE style; otherwise, set it to 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.

cyItem

Value of lParam. Specifies the height, in pixels, of the item.

Return Values

If the index or height is invalid, the return value is LB_ERR.

See Also

LB_GETITEMHEIGHT

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