ConfigurationSettings.GetConfig

配置文件：  

  <configuration>   
          <configSections>   
                  <sectionGroup   name="mySectionGroup">   
                          <section   name="mySection"   
                            type="System.Configuration.NameValueSectionHandler,   System,   Version=1.0.2411.0,   Culture=neutral,   PublicKeyToken=b77a5c561934e089"   allowLocation="false"/>   
                  </sectionGroup>   
          </configSections>   
                        
    
        <mySectionGroup>   
                  <mySection>   
                          <add   key="key1"   value="value1"   />   
                  </mySection>   
          </mySectionGroup>   
    
  </configuration>

 winForm应用程序的默认配置文件是App.config。  
   
  应用：System.Collections.Specialized.NameValueCollection  
  NameValueCollection   nv   =   (NameValueCollection)   ConfigurationSettings.GetConfig("mySectionGroup/mySection");  
  Console.WriteLine(nv["key1"]);