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Flash Player 6.0.79。
Flash MX 2004。
myComboBox.labelFunction
属性;一个计算 dataProvider 项目标签的函数。必须定义该函数。默认值未定义。
下面的范例创建了一个数据提供程序,然后定义一个函数以指定用作下拉列表标签的内容:
myComboBox.dataProvider = [
{firstName:"Nigel", lastName:"Pegg", age:"really young"},
{firstName:"Gary", lastName:"Grossman", age:"young"},
{firstName:"Chris", lastName:"Walcott", age:"old"},
{firstName:"Greg", lastName:"Yachuk", age:"really old"} ];
myComboBox.labelFunction = function(itemObj){
return (itemObj.lastName + ", " + itemObj.firstName);
}
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