treeItem.setFont(SWTResourceManager.getFont(String name, int size, int style, boolean strikeout, boolean underline))

Unable to set underline or strikeout (probably on a non-Windows platform)

        private static Styler STRIKETHROUGH = new Styler() {
		@Override
		public void applyStyles(TextStyle textStyle) {
			textStyle.strikeout = true;
		}
	};
	
	private StyledString getStyledString(Object element) {	
		return new StyledString(getText(con),STRIKETHROUGH);
	}
	
	public void update(final ViewerCell cell) {
		Object obj = cell.getElement();
		
		cell.setFont(getFont(obj));

		StyledString styledString = getStyledString(obj);
		cell.setText(styledString.getString());
		   cell.setStyleRanges(styledString.getStyleRanges());		
	}