laszlo 对鼠标右键的处置

laszlo 对鼠标右键的处理

<canvas width="780" height="700">
<view width="300" height="300" bgcolor="red" name="viewTest">
<method event="oninit">
var contextMenu = new LzContextMenu();

var addItem =contextMenu.makeMenuItem('添加',new LzDelegate(this, "addEvent"));
addItem.value = "add";
contextMenu.addItem(addItem);

var delItem = contextMenu.makeMenuItem('删除', new LzDelegate(this, "deleteEvent"));
delItem.value = "delete";
contextMenu.addItem(delItem);

var modifyItem = contextMenu.makeMenuItem('修改',new LzDelegate(this, "modifyEvent"));
modifyItem.value = "modify";
contextMenu.addItem(modifyItem);

this.setContextMenu(contextMenu);
</method>
<method name="addEvent" args="selectedItem">
var item = selectedItem.value;
//。。。。。。。。。。。。。。。。。。
</method>
<method name="deleteEvent" args="selectedItem">
var item = selectedItem.value;
//。。。。。。。。。。。。。。。。。。。。
</method>
<method name="modifyEvent" args="selectedItem">
var item = selectedItem.value;
//。。。。。。。。。。。。。。。。。。。。。。
</method>
</view>
</canvas>