c# winform自定义下拉列表源码

控件有个DropDownControl属性，你可以指定给这个控件点下拉按钮时弹出datagridview,richTextBox等等系统控件甚至是自己定义的UserControl控件。。。下载后自己看吧，有源码有示例有真像

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件       29696  2009-06-21 20:50  CustomComboDemo.exe
     文件         939  2008-04-20 09:43  CustomComboDemo.sln
     文件       27136  2009-06-21 20:50  CustomComboDemo.suo
     文件       15875  2009-06-18 03:16  CustomComboDemo\CustomComboBox.cs
     文件        4395  2009-06-21 20:53  CustomComboDemo\CustomComboDemo.csproj
     文件          74  2008-04-20 09:43  CustomComboDemo\CustomComboDemo.csproj.user
     文件        2194  2009-06-21 20:50  CustomComboDemo\Form1.cs
     文件        5854  2009-06-21 20:50  CustomComboDemo\Form1.Designer.cs
     文件        5814  2009-06-21 20:50  CustomComboDemo\Form1.resx
     文件         725  2009-04-30 06:20  CustomComboDemo\OldNewEvent.cs
     文件       25125  2009-06-18 03:13  CustomComboDemo\PopupControl.cs
     文件         507  2008-04-20 08:46  CustomComboDemo\Program.cs
     目录           0  2009-06-21 20:54  CustomComboDemo\Properties\
     文件        1442  2008-04-20 08:46  CustomComboDemo\Properties\AssemblyInfo.cs
     文件        2859  2008-04-20 08:46  CustomComboDemo\Properties\Resources.Designer.cs
     文件        5612  2008-04-20 08:46  CustomComboDemo\Properties\Resources.resx
     文件        1839  2008-12-09 20:12  CustomComboDemo\Properties\Settings.Designer.cs
     文件        1209  2008-12-09 20:12  CustomComboDemo\Properties\Settings.settings
     文件         748  2008-04-20 22:45  CustomComboDemo\UserControl1.cs
     文件        5654  2008-04-20 22:45  CustomComboDemo\UserControl1.Designer.cs
     文件        5814  2008-04-20 22:45  CustomComboDemo\UserControl1.resx
     目录           0  2009-06-21 20:54  CustomComboDemo\