DataGridViewRowCancelEventArgs Classe

Définition

Espace de noms:

System.Windows.Forms

Assembly:

System.Windows.Forms.dll

Source:

DataGridViewRowCancelEventArgs.cs

Fournit des données pour l’événement UserDeletingRow d’un DataGridView.

public ref class DataGridViewRowCancelEventArgs : System::ComponentModel::CancelEventArgs

public class DataGridViewRowCancelEventArgs : System.ComponentModel.CancelEventArgs

type DataGridViewRowCancelEventArgs = class
    inherit CancelEventArgs

Public Class DataGridViewRowCancelEventArgs
Inherits CancelEventArgs

Héritage

Object

EventArgs

CancelEventArgs

DataGridViewRowCancelEventArgs

Exemples

L’exemple de code suivant illustre l’utilisation de ce type. Cet exemple fait partie d’un exemple plus large disponible dans How to : Implement Virtual Mode in the Windows Forms DataGridView Control.

void dataGridView1_UserDeletingRow( Object^ /*sender*/,
    System::Windows::Forms::DataGridViewRowCancelEventArgs^ e )
{
   if ( e->Row->Index < this->customers->Count )
   {
      
      // If the user has deleted an existing row, remove the 
      // corresponding Customer object from the data store.
      this->customers->RemoveAt( e->Row->Index );
   }

   if ( e->Row->Index == this->rowInEdit )
   {
      
      // If the user has deleted a newly created row, release
      // the corresponding Customer object. 
      this->rowInEdit = -1;
      this->customerInEdit = nullptr;
   }
}

private void dataGridView1_UserDeletingRow(object sender,
    System.Windows.Forms.DataGridViewRowCancelEventArgs e)
{
    if (e.Row.Index < this.customers.Count)
    {
        // If the user has deleted an existing row, remove the 
        // corresponding Customer object from the data store.
        this.customers.RemoveAt(e.Row.Index);
    }

    if (e.Row.Index == this.rowInEdit)
    {
        // If the user has deleted a newly created row, release
        // the corresponding Customer object. 
        this.rowInEdit = -1;
        this.customerInEdit = null;
    }
}

Private Sub dataGridView1_UserDeletingRow(ByVal sender As Object, _
    ByVal e As System.Windows.Forms.DataGridViewRowCancelEventArgs) _
    Handles dataGridView1.UserDeletingRow

    If e.Row.Index < Me.customers.Count Then

        ' If the user has deleted an existing row, remove the 
        ' corresponding Customer object from the data store.
        Me.customers.RemoveAt(e.Row.Index)

    End If

    If e.Row.Index = Me.rowInEdit Then

        ' If the user has deleted a newly created row, release
        ' the corresponding Customer object. 
        Me.rowInEdit = -1
        Me.customerInEdit = Nothing

    End If

End Sub

Remarques

Pour annuler la suppression d’une ligne dans un gestionnaire d’événements UserDeletingRow , définissez la Cancel propriété truesur .

Pour plus d’informations sur la gestion des événements, consultez Gestion et déclenchement d’événements.

Constructeurs

Nom	Description
DataGridViewRowCancelEventArgs(DataGridViewRow)	Initialise une nouvelle instance de la classe DataGridViewRowCancelEventArgs.

Propriétés

Nom	Description
Row	Obtient la ligne que l’utilisateur supprime.

Voir aussi

• DataGridView
• UserDeletingRow
• Cancel
• DataGridViewRowCancelEventHandler