int  column = OS.gtk_tree_view_get_column (parentHandle, 0);
int  column = OS.gtk_tree_view_get_column (parentHandle, index);
public void setImage (int index, Image image) {	checkWidget ();	if (image != null && image.isDisposed()) {		error(SWT.ERROR_INVALID_ARGUMENT);	}	int count = Math.max (1, parent.getColumnCount ());	if (0 > index || index > count - 1) return;	int /*long*/ pixbuf = 0;	if (image != null) {		ImageList imageList = parent.imageList;		if (imageList == null) imageList = parent.imageList = new ImageList ();		int imageIndex = imageList.indexOf (image);		if (imageIndex == -1) imageIndex = imageList.add (image);		pixbuf = imageList.getPixbuf (imageIndex);	}	int modelIndex = parent.columnCount == 0 ? Tree.FIRST_COLUMN : parent.columns [index].modelIndex;	OS.gtk_tree_store_set (parent.modelHandle, handle, modelIndex + Tree.CELL_PIXBUF, pixbuf, -1);	if (image != null && parent.columnCount == 0) {		int /*long*/parentHandle = parent.handle;		int /*long*/ column = OS.gtk_tree_view_get_column (parentHandle, 0);		if (OS.gtk_tree_view_column_get_sizing (column) == OS.GTK_TREE_VIEW_COLUMN_FIXED) {			parent.setScrollWidth (column, this);			/*			* Bug in GTK.  When in fixed height mode, GTK does not recalculate the cell renderer width			* when the image is changed in the model.  The fix is to force it to recalculate the width if			* more space is required.			*/			int [] w = new int [1];			int /*long*/ pixbufRenderer = parent.getPixbufRenderer(column);			OS.gtk_tree_view_column_cell_get_position (column, pixbufRenderer, null, w);			if (w[0] < image.getBounds().width) {				/*				 * There is no direct way to clear the cell renderer width so we				 * are relying on the fact that it is done as part of modifying				 * the style.				 */				int /*long*/ style = OS.gtk_widget_get_modifier_style (parentHandle);				OS.gtk_widget_modify_style (parentHandle, style);			} 		}	}	cached = true;}