TableItem item = items [i];		if (item != null) {			cleared = true;			item.clear ();			/*			* Bug in Windows.  Despite the fact that every item in the			* table always has LPSTR_TEXTCALLBACK, Windows caches the			* bounds for the selected items.  This means that 			* when you change the string to be something else, Windows			* correctly asks you for the new string but when the item			* is selected, the selection draws using the bounds of the			* previous item.  The fix is to reset LPSTR_TEXTCALLBACK			* even though it has not changed, causing Windows to flush			* cached bounds.			*/			if ((style & SWT.VIRTUAL) == 0 && item.cached) {				if (lvItem == null) {					lvItem = new LVITEM ();					lvItem.mask = OS.LVIF_TEXT | OS.LVIF_INDENT;					lvItem.pszText = OS.LPSTR_TEXTCALLBACK;				}				lvItem.iItem = i;				OS.SendMessage (handle, OS.LVM_SETITEM, 0, lvItem);				item.cached = false;			}		}	}	if (cleared) {		if (!ignoreRedraw && drawCount == 0 && OS.IsWindowVisible (handle)) {			OS.SendMessage (handle, OS.LVM_REDRAWITEMS, 0, count - 1);		}		setScrollWidth (null, false);	}}public Point computeSize (int wHint, int hHint, boolean changed) {	checkWidget ();	if (fixScrollWidth) setScrollWidth (null, true);	int bits = 0;	if (wHint != SWT.DEFAULT) {		bits |= wHint & 0xFFFF;	} else {		int width = 0;		int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0);		int count = OS.SendMessage (hwndHeader, OS.HDM_GETITEMCOUNT, 0, 0);		for (int i=0; i<count; i++) {			width += OS.SendMessage (handle, OS.LVM_GETCOLUMNWIDTH, i, 0);		}		bits |= width & 0xFFFF;	}	if (hHint != SWT.DEFAULT) bits |= hHint << 16;	int result = OS.SendMessage (handle, OS.LVM_APPROXIMATEVIEWRECT, -1, bits);	int width = result & 0xFFFF, height = result >> 16;		/*	* Feature in Windows.  The height returned by LVM_APPROXIMATEVIEWRECT	* includes the trim plus the height of the items plus one extra row.	* The fix is to subtract the height of one row from the result height.	*/	int empty = OS.SendMessage (handle, OS.LVM_APPROXIMATEVIEWRECT, 0, 0);	int oneItem = OS.SendMessage (handle, OS.LVM_APPROXIMATEVIEWRECT, 1, 0);	height -= (oneItem >> 16) - (empty >> 16);		if (width == 0) width = DEFAULT_WIDTH;	if (height == 0) height = DEFAULT_HEIGHT;	if (wHint != SWT.DEFAULT) width = wHint;	if (hHint != SWT.DEFAULT) height = hHint;	int border = getBorderWidth ();	width += border * 2;  height += border * 2;	if ((style & SWT.V_SCROLL) != 0) {		width += OS.GetSystemMetrics (OS.SM_CXVSCROLL);	}	if ((style & SWT.H_SCROLL) != 0) {		height += OS.GetSystemMetrics (OS.SM_CYHSCROLL);	}	return new Point (width, height);}void createHandle () {	super.createHandle ();	state &= ~CANVAS;	/* 	* This code is intentionally commented.  According to	* the documentation, setting the default item size is	* supposed to improve performance.  By experimentation,	* this does not seem to have much of an effect.	*/	//	OS.SendMessage (handle, OS.LVM_SETITEMCOUNT, 1024 * 2, 0);	/* Set the checkbox image list */	if ((style & SWT.CHECK) != 0) {		int empty = OS.SendMessage (handle, OS.LVM_APPROXIMATEVIEWRECT, 0, 0);		int oneItem = OS.SendMessage (handle, OS.LVM_APPROXIMATEVIEWRECT, 1, 0);		int width = (oneItem >> 16) - (empty >> 16), height = width;		setCheckboxImageList (width, height);		OS.SendMessage (handle, OS. LVM_SETCALLBACKMASK, OS.LVIS_STATEIMAGEMASK, 0);	}	/*	* Feature in Windows.  When the control is created,	* it does not use the default system font.  A new HFONT	* is created and destroyed when the control is destroyed.	* This means that a program that queries the font from	* this control, uses the font in another control and then	* destroys this control will have the font unexpectedly	* destroyed in the other control.  The fix is to assign	* the font ourselves each time the control is created.	* The control will not destroy a font that it did not	* create.	*/	int hFont = OS.GetStockObject (OS.SYSTEM_FONT);	OS.SendMessage (handle, OS.WM_SETFONT, hFont, 0);	/*	* Bug in Windows.  When the first column is inserted	* without setting the header text, Windows will never	* allow the header text for the first column to be set.	* The fix is to set the text to an empty string when	* the column is inserted.	*/	LVCOLUMN lvColumn = new LVCOLUMN ();	lvColumn.mask = OS.LVCF_TEXT;	int hHeap = OS.GetProcessHeap ();	int pszText = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, TCHAR.sizeof);	lvColumn.pszText = pszText;	OS.SendMessage (handle, OS.LVM_INSERTCOLUMN, 0, lvColumn);	OS.HeapFree (hHeap, 0, pszText);	/* Set the extended style bits */	int bits = OS.LVS_EX_SUBITEMIMAGES | OS.LVS_EX_LABELTIP;	if ((style & SWT.FULL_SELECTION) != 0) bits |= OS.LVS_EX_FULLROWSELECT;	OS.SendMessage (handle, OS.LVM_SETEXTENDEDLISTVIEWSTYLE, bits, bits);		/*	* Feature in Windows.  Windows does not explicitly set the orientation of	* the header.  Instead, the orientation is inherited when WS_EX_LAYOUTRTL	* is specified for the table.  This means that when both WS_EX_LAYOUTRTL	* and WS_EX_NOINHERITLAYOUT are specified for the table, the header will	* not be oriented correctly.  The fix is to explicitly set the orientation	* for the header.	* 	* NOTE: WS_EX_LAYOUTRTL is not supported on Windows NT.	*/	if ((OS.WIN32_MAJOR << 16 | OS.WIN32_MINOR) < (4 << 16 | 10)) return;	if ((style & SWT.RIGHT_TO_LEFT) != 0) {		int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0);		int exStyle = OS.GetWindowLong (hwndHeader, OS.GWL_EXSTYLE);		OS.SetWindowLong (hwndHeader, OS.GWL_EXSTYLE, exStyle | OS.WS_EX_LAYOUTRTL);	}}void createItem (TableColumn column, int index) {	int hwndHeader = OS.SendMessage (handle, OS.LVM_GETHEADER, 0, 0);	int count = OS.SendMessage (hwndHeader, OS.HDM_GETITEMCOUNT, 0, 0);	int columnCount = count + 1;	if (count == 1 && columns [0] == null) count = 0;	if (!(0 <= index && index <= count)) error (SWT.ERROR_INVALID_RANGE);	if (count == columns.length) {		TableColumn [] newColumns = new TableColumn [columns.length + 4];		System.arraycopy (columns, 0, newColumns, 0, columns.length);		columns = newColumns;	}	int itemCount = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0);	for (int i=0; i<itemCount; i++) {		TableItem item = items [i];		if (item != null) {			String [] strings = item.strings;			if (strings != null) {				String [] temp = new String [columnCount];				System.arraycopy (strings, 0, temp, 0, index);				System.arraycopy (strings, index, temp, index+1, columnCount-index-1);				item.strings = temp;			}			Image [] images = item.images;			if (images != null) {				Image [] temp = new Image [columnCount];				System.arraycopy (images, 0, temp, 0, index);				System.arraycopy (images, index, temp, index+1, columnCount-index-1);				item.images = temp;			}			if (index == 0) {				if (count != 0) {					if (strings == null) {						item.strings = new String [columnCount];						item.strings [1] = item.text;					}					item.text = "";					if (images == null) {						item.images = new Image [columnCount];						item.images [1] = item.image;					}					item.image = null;				}			}			if (item.cellBackground != null) {				int [] cellBackground = item.cellBackground;				int [] temp = new int [columnCount];				System.arraycopy (cellBackground, 0, temp, 0, index);				System.arraycopy (cellBackground, index, temp, index+1, columnCount-index-1);				temp [index] = -1;				item.cellBackground = temp;			}			if (item.cellForeground != null) {				int [] cellForeground = item.cellForeground;				int [] temp = new int [columnCount];				System.arraycopy (cellForeground, 0, temp, 0, index);				System.arraycopy (cellForeground, index, temp, index+1, columnCount-index-1);				temp [index] = -1;				item.cellForeground = temp;			}			if (item.cellFont != null) {				int [] cellFont = item.cellFont;				int [] temp = new int [columnCount];				System.arraycopy (cellFont, 0, temp, 0, index);				System.arraycopy (cellFont, index, temp, index+1, columnCount-index-1);				temp [index] = -1;				item.cellFont = temp;			}		}	}	/*	* Insert the column into the columns array before inserting	* it into the widget so that the column will be present when	* any callbacks are issued as a result of LVM_INSERTCOLUMN	* or LVM_SETCOLUMN.	*/	System.arraycopy (columns, index, columns, index + 1, count - index);	columns [index] = column;	if (index == 0) {		if (count > 0) {			LVCOLUMN lvColumn = new LVCOLUMN ();			lvColumn.mask = OS.LVCF_WIDTH;			OS.SendMessage (handle, OS.LVM_INSERTCOLUMN, 1, lvColumn);			OS.SendMessage (handle, OS.LVM_GETCOLUMN, 1, lvColumn);			int width = lvColumn.cx;			int cchTextMax = 1024;			int hHeap = OS.GetProcessHeap ();			int byteCount = cchTextMax * TCHAR.sizeof;			int pszText = OS.HeapAlloc (hHeap, OS.HEAP_ZERO_MEMORY, byteCount);			lvColumn.mask = OS.LVCF_TEXT | OS.LVCF_IMAGE | OS.LVCF_WIDTH | OS.LVCF_FMT;			lvColumn.pszText = pszText;			lvColumn.cchTextMax = cchTextMax;			OS.SendMessage (handle, OS.LVM_GETCOLUMN, 0, lvColumn);			OS.SendMessage (handle, OS.LVM_SETCOLUMN, 1, lvColumn);			lvColumn.fmt = OS.LVCFMT_IMAGE;			lvColumn.cx = width;			lvColumn.iImage = OS.I_IMAGENONE;			lvColumn.pszText = lvColumn.cchTextMax = 0;			OS.SendMessage (handle, OS.LVM_SETCOLUMN, 0, lvColumn);			lvColumn.mask = OS.LVCF_FMT;			lvColumn.fmt = OS.LVCFMT_LEFT;			OS.SendMessage (handle, OS.LVM_SETCOLUMN, 0, lvColumn);			if (pszText != 0) OS.HeapFree (hHeap, 0, pszText);		} else {			OS.SendMessage (handle, OS.LVM_SETCOLUMNWIDTH, 0, 0);		}		if ((parent.style & SWT.VIRTUAL) == 0) {			LVITEM lvItem = new LVITEM ();			lvItem.mask = OS.LVIF_TEXT | OS.LVIF_IMAGE;			lvItem.pszText = OS.LPSTR_TEXTCALLBACK;			lvItem.iImage = OS.I_IMAGECALLBACK;			for (int i=0; i<itemCount; i++) {				lvItem.iItem = i;				OS.SendMessage (handle, OS.LVM_SETITEM, 0, lvItem);			}		}	} else {		int fmt = OS.LVCFMT_LEFT;		if ((column.style & SWT.CENTER) == SWT.CENTER) fmt = OS.LVCFMT_CENTER;		if ((column.style & SWT.RIGHT) == SWT.RIGHT) fmt = OS.LVCFMT_RIGHT;		LVCOLUMN lvColumn = new LVCOLUMN ();		lvColumn.mask = OS.LVCF_WIDTH | OS.LVCF_FMT;		lvColumn.fmt = fmt;		OS.SendMessage (handle, OS.LVM_INSERTCOLUMN, index, lvColumn);	}}void createItem (TableItem item, int index) {	int count = OS.SendMessage (handle, OS.LVM_GETITEMCOUNT, 0, 0);	if (!(0 <= index && index <= count)) error (SWT.ERROR_INVALID_RANGE);	if (count == items.length) {		/*		* Grow the array faster when redraw is off or the		* table is not visible.  When the table is painted,		* the items array is resized to be smaller to reduce		* memory usage.		*/		boolean small = drawCount == 0 && OS.IsWindowVisible (handle);		int length = small ? items.length + 4 : Math.max (4, items.length * 3 / 2);		TableItem [] newItems = new TableItem [length];		System.arraycopy (items, 0, newItems, 0, items.length);		items = newItems;	}	LVITEM lvItem = new LVITEM ();	lvItem.iItem = index;	lvItem.pszText = OS.LPSTR_TEXTCALLBACK;	lvItem.mask |= OS.LVIF_TEXT;	/*	* Bug in Windows.  Despite the fact that the image list	* index has never been set for the item, Windows always	* assumes that the image index for the item is valid.	* When an item is inserted, the image index is zero.	* Therefore, when the first image is inserted and is	* assigned image index zero, every item draws with this	* image.  The fix is to set the image index when the	* the item is created.	*/	lvItem.iImage = OS.I_IMAGECALLBACK;	lvItem.mask |= OS.LVIF_IMAGE;	/* Insert the item */	ignoreSelect = true;	int result = OS.SendMessage (handle, OS.LVM_INSERTITEM, 0, lvItem);	ignoreSelect = false;	if (result == -1) error (SWT.ERROR_ITEM_NOT_ADDED);	System.arraycopy (items, index, items, index + 1, count - index);	items [index] = item;}void createWidget () {	super.createWidget ();	items = new TableItem [4];	columns = new TableColumn [4];}int defaultBackground () {	return OS.GetSysColor (OS.COLOR_WINDOW);}/** * Deselects the items at the given zero-relative indices in the receiver. * If the item at the given zero-relative index in the receiver  * is selected, it is deselected.  If the item at the index * was not selected, it remains deselected. Indices that are out * of range and duplicate indices are ignored. * * @param indices the array of indices for the items to deselect * * @exception IllegalArgumentException <ul> *    <li>ERROR_NULL_ARGUMENT - if the set 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> */public void deselect (int [] indices) {	checkWidget ();	if (indices == null) error (SWT.ERROR_NULL_ARGUMENT);	if (indices.length == 0) return;	LVITEM lvItem = new LVITEM ();	lvItem.stateMask = OS.LVIS_SELECTED;	for (int i=0; i<indices.length; i++) {		/*		* An index of -1 will apply the change to all		* items.  Ensure that indices are greater than -1.		*/		if (indices [i] >= 0) {			ignoreSelect = true;			OS.SendMessage (handle, OS.LVM_SETITEMSTATE, indices [i], lvItem);			ignoreSelect = false;		}	}}/** * Deselects the item at the given zero-relative index in the receiver. * If the item at the index was already deselected, it remains * deselected. Indices that are out of range are ignored. * * @param index the index of the item to deselect