c#_tabControl_Form简单实现

VS2013下c#_tabControl_Form简单实现，主要是简单切换窗体

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2017-03-20 16:36  From1\
     目录           0  2017-03-20 17:48  From1\From1\
     文件         187  2017-03-20 16:36  From1\From1\App.config
     文件        3499  2017-03-20 17:20  From1\From1\Form1.Designer.cs
     文件        1483  2017-03-20 17:48  From1\From1\Form1.cs
     文件        5817  2017-03-20 17:20  From1\From1\Form1.resx
     文件        2520  2017-03-20 16:51  From1\From1\Form2.Designer.cs
     文件         386  2017-03-20 16:51  From1\From1\Form2.cs
     文件        5817  2017-03-20 16:51  From1\From1\Form2.resx
     文件        2586  2017-03-20 17:48  From1\From1\Form3.Designer.cs
     文件         539  2017-03-20 17:48  From1\From1\Form3.cs
     文件        5817  2017-03-20 17:48  From1\From1\Form3.resx
     文件        4398  2017-03-20 16:51  From1\From1\From1.csproj
     文件         517  2017-03-20 16:36  From1\From1\Program.cs
     目录           0  2017-03-20 16:36  From1\From1\Properties\
     文件        1352  2017-03-20 16:36  From1\From1\Properties\AssemblyInfo.cs
     文件        2862  2017-03-20 16:36  From1\From1\Properties\Resources.Designer.cs
     文件        5612  2017-03-20 16:36  From1\From1\Properties\Resources.resx
     文件        1092  2017-03-20 16:36  From1\From1\Properties\Settings.Designer.cs
     文件         249  2017-03-20 16:36  From1\From1\Properties\Settings.settings
     目录           0  2017-03-20 16:51  From1\From1\bin\
     目录           0  2017-03-20 16:36  From1\From1\bin\Debug\
     文件         187  2017-03-20 16:36  From1\From1\bin\Debug\From1.exe.config
     文件       24224  2017-03-20 16:36  From1\From1\bin\Debug\From1.vshost.exe
     文件         187  2017-03-20 16:36  From1\From1\bin\Debug\From1.vshost.exe.config
     文件         490  2010-03-17 22:39  From1\From1\bin\Debug\From1.vshost.exe.manifest
     目录           0  2017-03-20 17:44  From1\From1\bin\Release\
     文件       11264  2017-03-20 17:48  From1\From1\bin\Release\From1.exe
     文件         187  2017-03-20 16:36  From1\From1\bin\Release\From1.exe.config
     文件       32256  2017-03-20 17:48  From1\From1\bin\Release\From1.pdb
     文件       24224  2017-03-20 17:44  From1\From1\bin\Release\From1.vshost.exe
............此处省略29个文件信息