window onMaximize, onRestore

<window id="finestraAg" border="normal" sizable="true" onSize="onSizeWin()" onMaximize="onMaximizeWin()"
		title="${titolo}" width="600px" minheight="300" height="300px" maximizable="true" closable="true">
		<listbox id="box" multiple="false" rows="10"
			pagingPosition="top" mold="paging" pageSize="10"
			selectedItem="@{selected}" onSelect="" fixedLayout="true"
			selectedIndex="-1">
...
...
	void onSizeWin() {
		int heightFin = Integer.valueOf(finestraAg.getHeight().replace("px", "")).intValue();
		int pageSize = Math.max((heightFin - 220) / 10, 10);
		box.setPageSize(pageSize);
		box.setRows(pageSize);
	}


	void onMaximizeWin() {
		int heightFin = Integer.valueOf(finestraAg.getHeight().replace("px", "")).intValue(); // here, the value is ever 300px (if I not resize the window)
		int pageSize = Math.max((heightFin - 220) / 10, 10);
		box.setPageSize(40);
		box.setRows(40);
	}