摘要：
消息描述发件人单击单击CButtonUI下拉菜单以显示CComboUIheaderclick单击列标题CListHeaderItemUIitemmactivateCListElementUI，CListContainerElementUIitem单击选项CListLabelElementUI，ClistContainerElementUI itemselect以选择
| 消息 | 说明 | Sender |
|---|---|---|
| click | 鼠标点击 | CButtonUI |
| dropdown | 下拉显示 | CComboUI |
| headerclick | 点击列标题 | CListHeaderItemUI |
| itemactivate | CListElementUI、CListContainerElementUI | |
| itemclick | 单击选项 | CListLabelElementUI、CListContainerElementUI |
| itemselect | 选择选项 | CComboUI、CListUI |
| killfocus | 失去焦点 | CControlUI |
| link | CTextUI、CListTextElementUI | |
| menu | CButtonUI、CControlUI | |
| return | 回车 | CEditWnd、CRichEditUI |
| scroll | 滚动 | CScrollBarUI |
| selectchanged | 变更选项 | COptionUI |
| setfocus | 获得焦点 | CControlUI |
| showactivex | CActiveXUI | |
| textchanged | 文本被改变 | CEditWnd |
| tabselect | 标签页被选中 | CTabLayoutUI |
| timer | CControlUI | |
| valuechanged | 值发生变化 | CSliderUI |
| windowinit | 窗体初始化 |
| 消息 | 说明 | Sender |
|---|---|---|
| click | 鼠标点击 | CButtonUI |
| dropdown | 下拉显示 | CComboUI |
| headerclick | 点击列标题 | CListHeaderItemUI |
| itemactivate | CListElementUI、CListContainerElementUI | |
| itemclick | 单击选项 | CListLabelElementUI、CListContainerElementUI |
| itemselect | 选择选项 | CComboUI、CListUI |
| killfocus | 失去焦点 | CControlUI |
| link | CTextUI、CListTextElementUI | |
| menu | CButtonUI、CControlUI | |
| return | 回车 | CEditWnd、CRichEditUI |
| scroll | 滚动 | CScrollBarUI |
| selectchanged | 变更选项 | COptionUI |
| setfocus | 获得焦点 | CControlUI |
| showactivex | CActiveXUI | |
| textchanged | 文本被改变 | CEditWnd |
| tabselect | 标签页被选中 | CTabLayoutUI |
| timer | CControlUI | |
| valuechanged | 值发生变化 | CSliderUI |
| windowinit | 窗体初始化 |