Visual Basic

Public Class IKGrid

    Public Property Columns(ByVal s As Short) As IKColumn
        Get
            Return Nothing
        End Get
        Set(ByVal value As IKColumn)

        End Set
    End Property

End Class

Public Class IKColumn

    Public Shared Widening Operator CType(ByVal src As String) As IKColumn
        Return Nothing
    End Operator

    Public Property Caption() As String
        Get
            Return ""
        End Get
        Set(ByVal value As String)

        End Set
    End Property

End Class

Public Default Property Caption() As String

myIKGrid.Columns(0) = "English"

using System;
using System.Windows.Forms;
using System.Runtime.InteropServices;


public class MyClass

{
    [DllImport("user32.dll")]
    private static extern IntPtr GetForegroundWindow();
    [DllImport("user32.dll")]

    public static void Main() {
        IntPtr handle = GetForegroundWindow();
    }
}