Syntax Conversion.

what's the vb.Net counterpart of the following blocks in Csharp?

 public class NullableDateTimePicker : System.Windows.Forms.DateTimePicker
  {
    // Default Constructor
    public NullableDateTimePicker() : base()
    {
      base.Format = DateTimePickerFormat.Custom;
      NullValue = " ";
      Format = DateTimePickerFormat.Custom;
      CustomFormat = "dd MMM yyyy";

      this.DataBindings.CollectionChanged += new CollectionChangeEventHandler(DataBindings_CollectionChanged);
    }
}

 //NullableDateTimePicker is the class from which DateTimePickerEditingControl class inherits.
//IDataGridViewEditingControl is the interface which DateTimePickerEditingControl class implements.
class DateTimePickerEditingControl : NullableDateTimePicker, IDataGridViewEditingControl
    {
	//Constructor
        public DateTimePickerEditingControl()
        {
            this.Format = DateTimePickerFormat.Custom;
            this.CustomFormat = "dd MMM yyyy";
        }
}

Public Class NullableDateTimePicker
   Inherits System.Windows.Forms.DateTimePicker

   ' Default Constructor
   Public Sub New()
      MyBase.New()
      MyBase.Format = DateTimePickerFormat.Custom
      NullValue = " "
      Format = DateTimePickerFormat.Custom
      CustomFormat = "dd MMM yyyy"
      AddHandler Me.DataBindings.CollectionChanged, AddressOf DataBindings_CollectionChanged
   End Sub

End Class

'NullableDateTimePicker is the class from which DateTimePickerEditingControl class inherits.
'IDataGridViewEditingControl is the interface which DateTimePickerEditingControl class implements.
Class DateTimePickerEditingControl
   Inherits NullableDateTimePicker
   Implements IDataGridViewEditingControl

   ' Constructor
   Public Sub New()
      Me.Format = DateTimePickerFormat.Custom
      Me.CustomFormat = "dd MMM yyyy"
   End Sub

End Class