public event EventHandler<GridColumnEventArgs> ColumnRemoving

Public Event ColumnRemoving As EventHandler(Of GridColumnEventArgs)

public:
 event EventHandler<GridColumnEventArgs^>^ ColumnRemoving {
	void add (EventHandler<GridColumnEventArgs^>^ value);
	void remove (EventHandler<GridColumnEventArgs^>^ value);
}

member ColumnRemoving : IEvent<EventHandler<GridColumnEventArgs>,
    GridColumnEventArgs>

public void InitializeGrid(Grid grid)
{
    grid.ColumnAdded += delegate(object sender, GridColumnEventArgs e)
    {
        Console.WriteLine("The column '{0}' has been added to the grid", e.Column.Id);
    };

    grid.ColumnMoved += delegate(object sender, GridColumnEventArgs e)
    {
        Console.WriteLine("The column '{0}' has been moved to {1} position", e.Column.Id, e.Column.VisibleIndex);
    };

    //Add header and some columns
    grid.Headers.Add(new Header());
    grid.Headers[0].Add(new Column("Price"));
    grid.Headers[0].Add(new Column("Quantity"));

    //Move the first column
    grid.Headers[0]["Price"].VisibleIndex = 1;
}

//Console output:
//The column 'Price' has been added to the grid
//The column 'Quantity' has been added to the grid
//The column 'Price' has been moved to 1 position