[]
定义所有的内置的表单控件类型
• button = "button"
按钮
• checkBox = "checkBox"
复选框
• comboBox = "comboBox"
组合框
• groupBox = "groupBox"
分组框
• label = "label"
标签
• listBox = "listBox"
列表框
• optionButton = "optionButton"
选项按钮
• scrollBar = "scrollBar"
滚动条
• spinButton = "spinButton"
微调按钮