BindingManagerBase.Count Propiedad

Definición

Si se reemplaza en una clase derivada, obtiene el número de filas administradas por la clase BindingManagerBase.When overridden in a derived class, gets the number of rows managed by the BindingManagerBase.

public:
 abstract property int Count { int get(); };
public abstract int Count { get; }
member this.Count : int
Public MustOverride ReadOnly Property Count As Integer

Valor de propiedad

Número de filas administradas por la clase BindingManagerBase.The number of rows managed by the BindingManagerBase.

Ejemplos

En el ejemplo de código siguiente se muestran cuatro métodos que establecen la propiedad Position.The following code example shows four methods that set the Position property. El método MoveNext incrementa la propiedad en 1.The MoveNext method increments the property by 1. El método MovePrevious reduce la propiedad en 1.The MovePrevious method decrements the property by 1. El método MoveFirst establece la propiedad en 0.The MoveFirst method sets the property to 0. El método MoveLast establece la propiedad en el valor de la propiedad Count menos 1.The MoveLast method sets the property to the value of the Count property minus 1.

private:
   void BindingManagerBase_CurrentChanged( Object^ sender, EventArgs^ /*e*/ )
   {
      // Print the new value of the current object.
      Console::Write( "Current Changed: " );
      Console::WriteLine( ( (BindingManagerBase^)(sender) )->Current );
   }

   void MoveNext()
   {
      // Increment the Position property value by one.
      myBindingManagerBase->Position = myBindingManagerBase->Position + 1;
   }

   void MovePrevious()
   {
      // Decrement the Position property value by one.
      myBindingManagerBase->Position = myBindingManagerBase->Position - 1;
   }

   void MoveFirst()
   {
      // Go to the first item in the list.
      myBindingManagerBase->Position = 0;
   }

   void MoveLast()
   {
      // Go to the last row in the list.
      myBindingManagerBase->Position = myBindingManagerBase->Count - 1;
   }
private void BindingManagerBase_CurrentChanged
(object sender, EventArgs e)
{
   // Print the new value of the current object.
   Console.Write("Current Changed: ");
   Console.WriteLine(((BindingManagerBase)sender).Current);
}

private void MoveNext()
{
   // Increment the Position property value by one.
   myBindingManagerBase.Position += 1;
}

private void MovePrevious()
{
   // Decrement the Position property value by one.
   myBindingManagerBase.Position -= 1;
}

private void MoveFirst()
{
   // Go to the first item in the list.
   myBindingManagerBase.Position = 0;
}

private void MoveLast()
{
   // Go to the last row in the list.
   myBindingManagerBase.Position = 
   myBindingManagerBase.Count - 1;
}
   
Private Sub BindingManagerBase_CurrentChanged(sender As Object, e As EventArgs)
    ' Print the new value of the current object.
    Console.Write("Current Changed: ")
    Console.WriteLine(CType(sender, BindingManagerBase).Current)
End Sub


Private Sub MoveNext()
    ' Increment the Position property value by one.
    myBindingManagerBase.Position += 1
End Sub


Private Sub MovePrevious()
    ' Decrement the Position property value by one.
    myBindingManagerBase.Position -= 1
End Sub


Private Sub MoveFirst()
    ' Go to the first item in the list.
    myBindingManagerBase.Position = 0
End Sub


Private Sub MoveLast()
    ' Go to the last row in the list.
    myBindingManagerBase.Position = myBindingManagerBase.Count - 1
End Sub

Comentarios

Use la propiedad Count para determinar el último elemento de la lista de filas mantenida por el BindingManagerBase.Use the Count property to determine the last item in the list of rows maintained by the BindingManagerBase. Para ir al último elemento, establezca la propiedad Position en el valor de la propiedad Count menos 1.To go to the last item, set the Position property to the Count property value minus 1.

Se aplica a

Consulte también: