C#

public interface IFoo
{
  void Test();
}
class Foo1 : IFoo
{
  void Test() { Console.WriteLine("from Foo1"); }
}
class Foo2 : IFoo
{
  void Test() { Console.WriteLine("from Foo2"); }
}
public class FooFactory
{
  public static IFoo CreateFoo(string cls)
  {
    if (cls == "foo1") return new Foo1();
    else if (cls == "foo2") return new Foo2();
    else return null;
  }
}

<configuration>
  <runtime>
    <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
      <probing privatePath="plugins"/>
    </assemblyBinding>
  </runtime>
</configuration>

SELECT name from sysdatabases

SELECT user_name(uid) AS username, sysobjects.name AS tablename
FROM sysobjects
WHERE xtype='U' OR xtype='S'

theServer.theUser.theTable

"If a man empties his purse into his head, no man can take it away from him, for an investment in knowledge pays the best interest." -- Joseph E. O'Donnell

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SELECT * 
FROM INFORMATION_SCHEMA.SCHEMATA

//......................
//....................
this.treeView1.TabIndex = 0;
//..................

//.................
//................
this.splitter1.TabIndex = 1;
//.................

//.....................
this.panel1.TabIndex = 2;
//...................

this.Controls.Add(this.panel1);
this.Controls.Add(this.splitter1);
this.Controls.Add(this.treeView1);