setScrollWidth (newWidth, false);	}	if (topCount > 0) {		topIndex -= topCount;		OS.SendMessage (handle, OS.LB_SETTOPINDEX, topIndex, 0);	}	if (i < newIndices.length) error (SWT.ERROR_ITEM_NOT_REMOVED);}/** * Removes the item from the receiver at the given * zero-relative index. * * @param index the index for the item * * @exception IllegalArgumentException <ul> *    <li>ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)</li> * </ul> * @exception SWTException <ul> *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * @exception SWTError <ul> *    <li>ERROR_ITEM_NOT_REMOVED - if the operation fails because of an operating system failure</li> * </ul> */public void remove (int index) {	checkWidget ();	TCHAR buffer = null;	if ((style & SWT.H_SCROLL) != 0) {		int length = OS.SendMessage (handle, OS.LB_GETTEXTLEN, index, 0);		if (length == OS.LB_ERR) error (SWT.ERROR_ITEM_NOT_REMOVED);		buffer = new TCHAR (getCodePage (), length + 1);		int result = OS.SendMessage (handle, OS.LB_GETTEXT, index, buffer);		if (result == OS.LB_ERR) error (SWT.ERROR_ITEM_NOT_REMOVED);	}	int topIndex = OS.SendMessage (handle, OS.LB_GETTOPINDEX, 0, 0);	int result = OS.SendMessage (handle, OS.LB_DELETESTRING, index, 0);	if (result == OS.LB_ERR) {		int count = OS.SendMessage (handle, OS.LB_GETCOUNT, 0, 0);		if (0 <= index && index < count) error (SWT.ERROR_ITEM_NOT_REMOVED);		error (SWT.ERROR_INVALID_RANGE);	}	if ((style & SWT.H_SCROLL) != 0) setScrollWidth (buffer, false);	if (index < topIndex) {		OS.SendMessage (handle, OS.LB_SETTOPINDEX, topIndex - 1, 0);	}}/** * Removes the items from the receiver which are * between the given zero-relative start and end  * indices (inclusive). * * @param start the start of the range * @param end the end of the range * * @exception IllegalArgumentException <ul> *    <li>ERROR_INVALID_RANGE - if either the start or end are not between 0 and the number of elements in the list minus 1 (inclusive)</li> * </ul> * @exception SWTException <ul> *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * @exception SWTError <ul> *    <li>ERROR_ITEM_NOT_REMOVED - if the operation fails because of an operating system failure</li> * </ul> */public void remove (int start, int end) {	checkWidget ();	if (start > end) return;	int count = OS.SendMessage (handle, OS.LB_GETCOUNT, 0, 0);	if (!(0 <= start && start <= end && end < count)) {		error (SWT.ERROR_INVALID_RANGE);	}	if (start == 0 && end == count - 1) {		removeAll ();		return;	} 	int topIndex = OS.SendMessage (handle, OS.LB_GETTOPINDEX, 0, 0);	RECT rect = null;	int hDC = 0, oldFont = 0, newFont = 0, newWidth = 0;	if ((style & SWT.H_SCROLL) != 0) {		rect = new RECT ();		hDC = OS.GetDC (handle);		newFont = OS.SendMessage (handle, OS.WM_GETFONT, 0, 0);		if (newFont != 0) oldFont = OS.SelectObject (hDC, newFont);	}	int cp = getCodePage ();	int index = start;	int flags = OS.DT_CALCRECT | OS.DT_SINGLELINE | OS.DT_NOPREFIX;	while (index <= end) {		TCHAR buffer = null;		if ((style & SWT.H_SCROLL) != 0) {			int length = OS.SendMessage (handle, OS.LB_GETTEXTLEN, start, 0);			if (length == OS.LB_ERR) break;			buffer = new TCHAR (cp, length + 1);			int result = OS.SendMessage (handle, OS.LB_GETTEXT, start, buffer);			if (result == OS.LB_ERR) break;		}		int result = OS.SendMessage (handle, OS.LB_DELETESTRING, start, 0);		if (result == OS.LB_ERR) break;		if ((style & SWT.H_SCROLL) != 0) {			OS.DrawText (hDC, buffer, -1, rect, flags);			newWidth = Math.max (newWidth, rect.right - rect.left);		}		index++;	}	if ((style & SWT.H_SCROLL) != 0) {		if (newFont != 0) OS.SelectObject (hDC, oldFont);		OS.ReleaseDC (handle, hDC);		setScrollWidth (newWidth, false);	}	if (end < topIndex) {		topIndex -= end - start + 1;		OS.SendMessage (handle, OS.LB_SETTOPINDEX, topIndex, 0);	}	if (index <= end) error (SWT.ERROR_ITEM_NOT_REMOVED);}/** * Searches the receiver's list starting at the first item * until an item is found that is equal to the argument,  * and removes that item from the list. * * @param string the item to remove * * @exception IllegalArgumentException <ul> *    <li>ERROR_NULL_ARGUMENT - if the string is null</li> *    <li>ERROR_INVALID_ARGUMENT - if the string is not found in the list</li> * </ul> * @exception SWTException <ul> *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * @exception SWTError <ul> *    <li>ERROR_ITEM_NOT_REMOVED - if the operation fails because of an operating system failure</li> * </ul> */public void remove (String string) {	checkWidget ();	int index = indexOf (string, 0);	if (index == -1) error (SWT.ERROR_INVALID_ARGUMENT);	remove (index);}/** * Removes all of the items from the receiver. * <p> * @exception SWTException <ul> *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */public void removeAll () {	checkWidget ();	OS.SendMessage (handle, OS.LB_RESETCONTENT, 0, 0);	if ((style & SWT.H_SCROLL) != 0) {		OS.SendMessage (handle, OS.LB_SETHORIZONTALEXTENT, 0, 0);	}}/** * Removes the listener from the collection of listeners who will * be notified when the receiver's selection changes. * * @param listener the listener which should no longer be notified * * @exception IllegalArgumentException <ul> *    <li>ERROR_NULL_ARGUMENT - if the listener is null</li> * </ul> * @exception SWTException <ul> *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> * * @see SelectionListener * @see #addSelectionListener */public void removeSelectionListener(SelectionListener listener) {	checkWidget ();	if (listener == null) error (SWT.ERROR_NULL_ARGUMENT);	if (eventTable == null) return;	eventTable.unhook (SWT.Selection, listener);	eventTable.unhook (SWT.DefaultSelection,listener);	}/** * Selects the items at the given zero-relative indices in the receiver. * The current selection is not cleared before the new items are selected. * <p> * If the item at a given index is not selected, it is selected. * If the item at a given index was already selected, it remains selected. * Indices that are out of range and duplicate indices are ignored. * If the receiver is single-select and multiple indices are specified, * then all indices are ignored. * * @param indices the array of indices for the items to select * * @exception IllegalArgumentException <ul> *    <li>ERROR_NULL_ARGUMENT - if the array of indices is null</li> * </ul> * @exception SWTException <ul> *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> *  * @see List#setSelection(int[]) */public void select (int [] indices) {	checkWidget ();	if (indices == null) error (SWT.ERROR_NULL_ARGUMENT);	int length = indices.length;	if (length == 0 || ((style & SWT.SINGLE) != 0 && length > 1)) return;	select (indices, false);}void select (int [] indices, boolean scroll) {	int i = 0;	while (i < indices.length) {		int index = indices [i];		if (index != -1) {			select (index, false);		}		i++;	}	if (scroll) showSelection ();}/** * Selects the item at the given zero-relative index in the receiver's  * list.  If the item at the index was already selected, it remains * selected. Indices that are out of range are ignored. * * @param index the index of the item to select * * @exception SWTException <ul> *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */public void select (int index) {	checkWidget ();	select (index, false);}void select (int index, boolean scroll) {	if (index < 0) return;	int count = OS.SendMessage (handle, OS.LB_GETCOUNT, 0, 0);	if (index >= count) return;	if (scroll) {		if ((style & SWT.SINGLE) != 0) {			OS.SendMessage (handle, OS.LB_SETCURSEL, index, 0);		} else {			OS.SendMessage (handle, OS.LB_SETSEL, 1, index);			}				return;	}	int topIndex = OS.SendMessage (handle, OS.LB_GETTOPINDEX, 0, 0);	RECT itemRect = new RECT (), selectedRect = null;	OS.SendMessage (handle, OS.LB_GETITEMRECT, index, itemRect);	boolean redraw = drawCount == 0 && OS.IsWindowVisible (handle);	if (redraw) {		OS.UpdateWindow (handle);		OS.SendMessage (handle, OS.WM_SETREDRAW, 0, 0);	}	int focusIndex = -1;	if ((style & SWT.SINGLE) != 0) {		int oldIndex = OS.SendMessage (handle, OS.LB_GETCURSEL, 0, 0);		if (oldIndex != -1) {			selectedRect = new RECT ();			OS.SendMessage (handle, OS.LB_GETITEMRECT, oldIndex, selectedRect);		}		OS.SendMessage (handle, OS.LB_SETCURSEL, index, 0);	} else {		focusIndex = OS.SendMessage (handle, OS.LB_GETCARETINDEX, 0, 0);		OS.SendMessage (handle, OS.LB_SETSEL, 1, index);	}	if ((style & SWT.MULTI) != 0) {		if (focusIndex != -1) {			OS.SendMessage (handle, OS.LB_SETCARETINDEX, focusIndex, 0);		}	}	OS.SendMessage (handle, OS.LB_SETTOPINDEX, topIndex, 0);	if (redraw) {		OS.SendMessage (handle, OS.WM_SETREDRAW, 1, 0);		OS.ValidateRect (handle, null);		OS.InvalidateRect (handle, itemRect, true);		if (selectedRect != null) {			OS.InvalidateRect (handle, selectedRect, true);		}	}}/** * Selects the items in the range specified by the given zero-relative * indices in the receiver. The range of indices is inclusive. * The current selection is not cleared before the new items are selected. * <p> * If an item in the given range is not selected, it is selected. * If an item in the given range was already selected, it remains selected. * Indices that are out of range are ignored and no items will be selected * if start is greater than end. * If the receiver is single-select and there is more than one item in the * given range, then all indices are ignored. * * @param start the start of the range * @param end the end of the range * * @exception SWTException <ul> *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> *  * @see List#setSelection(int,int) */public void select (int start, int end) {	checkWidget ();	if (end < 0 || start > end || ((style & SWT.SINGLE) != 0 && start != end)) return;	int count = OS.SendMessage (handle, OS.LB_GETCOUNT, 0, 0);	if (count == 0 || start >= count) return;	start = Math.max (0, start);	end = Math.min (end, count - 1);	if ((style & SWT.SINGLE) != 0) {		select (start, false);	} else {		select (start, end, false);	}}void select (int start, int end, boolean scroll) {	/*	* Note that when start = end, LB_SELITEMRANGEEX	* deselects the item.	*/	if (start == end) {		select (start, scroll);		return;	}	OS.SendMessage (handle, OS.LB_SELITEMRANGEEX, start, end);	if (scroll) showSelection ();}	/** * Selects all of the items in the receiver. * <p> * If the receiver is single-select, do nothing. * * @exception SWTException <ul> *    <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> *    <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver</li> * </ul> */public void selectAll () {	checkWidget ();	if ((style & SWT.SINGLE) != 0) return;	OS.SendMessage (handle, OS.LB_SETSEL, 1, -1);}void setBounds (int x, int y, int width, int height, int flags) {	/*	* Bug in Windows.  If the receiver is scrolled horizontally	* and is resized, the list does not redraw properly.  The fix	* is to redraw the control when resizing is not deferred and	* the new size is different from the previous size.	*/	if (parent.lpwp != null || (flags & OS.SWP_NOSIZE) != 0) {			super.setBounds (x, y, width, height, flags);		return;	}	RECT rect = new RECT ();	OS.GetWindowRect (handle, rect);	int oldWidth = rect.right - rect.left;	int oldHeight = rect.bottom - rect.top;	super.setBounds (x, y, width, height, flags);	if (oldWidth == width && oldHeight == height) return;	SCROLLINFO info = new SCROLLINFO ();	info.cbSize = SCROLLINFO.sizeof;	info.fMask = OS.SIF_POS;	if (!OS.GetScrollInfo (handle, OS.SB_HORZ, info)) return;	if (info.nPos != 0) OS.InvalidateRect (handle, null, true);}void setFocusIndex (int index) {//	checkWidget ();		int count = OS.SendMessage (handle, OS.LB_GETCOUNT, 0, 0);	if (!(0 <= index && index < count)) return;	OS.SendMessage (handle, OS.LB_SETCARETINDEX, index, 0);}public void setFont (Font font) {	checkWidget ();	super.setFont (font);	if ((style & SWT.H_SCROLL) != 0) setScrollWidth ();}