DataGridCell.GetHashCode Método

Definición

Espacio de nombres:

System.Windows.Forms

Ensamblado:

System.Windows.Forms.dll

Obtiene un valor hash que puede agregarse a un Hashtable.

public:
 override int GetHashCode();

public override int GetHashCode ();

override this.GetHashCode : unit -> int

Public Overrides Function GetHashCode () As Integer

Devoluciones

Int32

Un número que identifica de forma única DataGridCell en Hashtable.

Ejemplos

En el ejemplo siguiente se agrega el valor hash de la celda seleccionada en un System.Windows.Forms.DataGrid control a .Hashtable

private:
   Hashtable^ myHashTable;

public:
   Form1()
   {
      myHashTable = gcnew Hashtable;
   }

private:
   void Grid_MouseUp( Object^ sender, System::Windows::Forms::MouseEventArgs^ /*e*/ )
   {
      DataGrid^ dg = dynamic_cast<DataGrid^>(sender);
      DataGridCell myCell = dg->CurrentCell;
      String^ tempkey = myCell.ToString();
      Console::WriteLine( "Temp {0}", tempkey );
      if ( myHashTable->Contains( tempkey ) )
      {
         return;
      }
      myHashTable->Add( tempkey, myCell.GetHashCode() );
      Console::WriteLine( "Hashcode: {0}", myCell.GetHashCode() );
   }

private Hashtable myHashTable = new Hashtable();

private void Grid_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
{
   DataGrid dg = (DataGrid)sender;
   DataGridCell myCell = dg.CurrentCell;
   string tempkey = myCell.ToString();
   Console.WriteLine("Temp " + tempkey);
   if(myHashTable.Contains(tempkey)){return;}
   myHashTable.Add(tempkey, myCell.GetHashCode());
   Console.WriteLine("Hashcode: " + myCell.GetHashCode().ToString());
}

Private myHashTable As New Hashtable()

   Private Sub DataGrid1_MouseUp(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs)
       Dim dg As DataGrid = CType(sender, DataGrid)
       Dim myCell As DataGridCell = dg.CurrentCell
       Dim tempkey As String = myCell.ToString
       Console.WriteLine("Temp " & tempkey)
       If myHashTable.Contains(tempkey) Then Exit Sub
       myHashTable.Add(tempkey, myCell.GetHashCode)
       Console.WriteLine("Hashcode: " & myCell.GetHashCode.ToString)
   End Sub

Consulte también

• CurrentCell
• DataGrid