C#

private void myMethod(AbsMyObject myObject)
{
   if (myObject is type1)
   {
      // Do something
   }
   else if (myObject is type2)
   {
      // Do something else
   }
   else
   {
      // Do something here when myObject is none of expected types
   }
}

((AbstractClass)AbsMyObject).MyMethod();

AbsMyObject.MyMethod(); 

public abstract class Foo { }
public class Bar : Foo { }
public class Baz : Foo { }
public class Qux : Baz { }
public class Quux : Foo { }

class Program
{
    static void MyMethod(string id, Foo arg) { Console.WriteLine("{0} Called Object Type {1}", id, arg.GetType()); }
    static void MyMethod(Foo arg) { MyMethod("Foo", arg); }
    static void MyMethod(Bar arg) { MyMethod("Bar", arg); }
    static void MyMethod(Baz arg) { MyMethod("Baz", arg); }

    static void Main(string[] args)
    {
        MyMethod(new Bar());
        MyMethod(new Baz());
        MyMethod(new Qux());
        MyMethod(new Quux());
        Console.ReadLine();
    }
}

MyMethod(new object());//this would not work but effectively is what he has

musefan wrote:

doesn't know the actual type of the object

System.Environment.SystemDirectory

System.Environment.SystemDirectory + @"\system32\VMCPropertyHandler.dll,LaunchVMSal ""Windows XP Mode"" ""||a9c104ed"" ""XPModeInitializer""";

spif2001 wrote:

I'm confused at to why a direct use of the bat file works, when the call to the bat file from within C# fails!?

If the property is not set, the default working directory is %SYSTEMROOT%\system32.

I are Troll