public void applyTreeFontSize() {
		FontData[] fontData = tree.getFont().getFontData();
		fontData[0].setHeight(VCNTreeItem.getFontSize());

		if (isOwnFont) tree.getFont().dispose();
		tree.setFont(new Font(tree.getDisplay(), fontData[0]));
		isOwnFont = true;
        if (getEditor().getTreeItem() != null) {
        	VCNTreeItem.applyNewFontSize(tree);
        }
        
        // code_7
		//this.getMainComposite().layout();
	}