BindingSource.Current BindingSource.Current BindingSource.Current BindingSource.Current Property

Definición

Obtiene el elemento actual de la lista.Gets the current item in the list.

public:
 property System::Object ^ Current { System::Object ^ get(); };
[System.ComponentModel.Browsable(false)]
public object Current { get; }
member this.Current : obj
Public ReadOnly Property Current As Object

Valor de propiedad

Object que representa el elemento actual de la lista subyacente representada por la propiedad List, o bien, null si la lista no tiene ningún elemento.An Object that represents the current item in the underlying list represented by the List property, or null if the list has no items.

Ejemplos

En el ejemplo de código siguiente Current se muestra la propiedad.The following code example demonstrates the Current property. Para ejecutar este ejemplo, pegue el código en un formulario y llame PopulateBindingSourceWithFonts al método desde el método de control de eventos del Load formulario.To run this example, paste the code into a form and call the PopulateBindingSourceWithFonts method from the form's Load event handling method.

  public BindingSource bindingSource1 = new BindingSource();
  TextBox box1 = new TextBox();

  private void PopulateBindingSourceWithFonts()
  {
      bindingSource1.CurrentChanged += new EventHandler(bindingSource1_CurrentChanged);
      bindingSource1.Add(new Font(FontFamily.Families[2], 8.0F));
      bindingSource1.Add(new Font(FontFamily.Families[4], 9.0F));
      bindingSource1.Add(new Font(FontFamily.Families[6], 10.0F));
      bindingSource1.Add(new Font(FontFamily.Families[8], 11.0F));
      bindingSource1.Add(new Font(FontFamily.Families[10], 12.0F));
      DataGridView view1 = new DataGridView();
      view1.DataSource = bindingSource1;
      view1.AutoGenerateColumns = true;
      view1.Dock = DockStyle.Top;
      this.Controls.Add(view1);
      box1.Dock = DockStyle.Bottom;
      box1.Text = "Sample Text";
      this.Controls.Add(box1);
      box1.DataBindings.Add("Text", bindingSource1, "Name");
      view1.Columns[7].DisplayIndex = 0;
      
  }

  void bindingSource1_CurrentChanged(object sender, EventArgs e)
  {
      box1.Font = (Font)bindingSource1.Current;
  }
 Private WithEvents bindingSource1 As New BindingSource()
 Private box1 As New TextBox()

 
 Private Sub PopulateBindingSourceWithFonts()
   
     bindingSource1.Add(New Font(FontFamily.Families(2), 8.0F))
     bindingSource1.Add(New Font(FontFamily.Families(4), 9.0F))
     bindingSource1.Add(New Font(FontFamily.Families(6), 10.0F))
     bindingSource1.Add(New Font(FontFamily.Families(8), 11.0F))
     bindingSource1.Add(New Font(FontFamily.Families(10), 12.0F))
     Dim view1 As New DataGridView()
     view1.DataSource = bindingSource1
     view1.AutoGenerateColumns = True
     view1.Dock = DockStyle.Top
     Me.Controls.Add(view1)
     box1.Dock = DockStyle.Bottom
     box1.Text = "Sample Text"
     Me.Controls.Add(box1)
     view1.Columns("Name").DisplayIndex = 0
     box1.DataBindings.Add("Text", bindingSource1, "Name")
     
 End Sub
  
 Sub bindingSource1_CurrentChanged(ByVal sender As Object, ByVal e As EventArgs) _
     Handles bindingSource1.CurrentChanged
     box1.Font = CType(bindingSource1.Current, Font)
 End Sub

Comentarios

Utilice la Current propiedad para tener acceso al elemento actual, pero use List la propiedad para obtener la lista completa.Use the Current property to access the current item, but use the List property to get the entire list. Para determinar el tipo del objeto actual, use los GetTypemétodos, o. ToStringTo determine the type of the current object, use the GetType, or ToString methods.

Para cambiar el elemento actual, establezca la Position propiedad en un nuevo valor entero o use uno de los métodos de navegación MoveNextcomo.To change the current item, set the Position property to a new integral value, or use one of the navigation methods such as MoveNext.

Se aplica a

Consulte también: