Control.OnInit(EventArgs) Metoda

Definicja

Podnosi Init zdarzenie.Raises the Init event.

protected:
 virtual void OnInit(EventArgs ^ e);
protected public:
 virtual void OnInit(EventArgs ^ e);
protected virtual void OnInit (EventArgs e);
protected internal virtual void OnInit (EventArgs e);
abstract member OnInit : EventArgs -> unit
override this.OnInit : EventArgs -> unit
Protected Overridable Sub OnInit (e As EventArgs)
Protected Friend Overridable Sub OnInit (e As EventArgs)

Parametry

e
EventArgs

EventArgsObiekt, który zawiera dane zdarzenia.An EventArgs object that contains the event data.

Przykłady

// Override the OnInit method to set _text to
// a default value if it is null.
[System.Security.Permissions.PermissionSet
    (System.Security.Permissions.SecurityAction.Demand, 
     Name="FullTrust")] 
protected override void OnInit(EventArgs e)
{
   base.OnInit(e);
   if ( _text == null)
        _text = "Here is some default text.";
}
' Override the OnInit method to set _text to 
' a default value if it is null.
<System.Security.Permissions.PermissionSetAttribute( _
  System.Security.Permissions.SecurityAction.Demand, _
    Name:="FullTrust")> _
Protected Overrides Sub OnInit(ByVal e As EventArgs)
    MyBase.OnInit(e)
    If _text Is Nothing Then
        _text = "Here is some default text."
    End If
End Sub

Uwagi

ASP.NET wywołuje tę metodę, aby zgłosić Init zdarzenie.ASP.NET calls this method to raise the Init event. Jeśli tworzysz kontrolkę niestandardową, możesz zastąpić tę metodę, aby zapewnić dodatkowe przetwarzanie.If you are developing a custom control, you can override this method in order to provide additional processing. Jeśli zastąpisz tę metodę, wywołaj metodę formantu podstawowego, OnInit aby powiadomić subskrybentów o zdarzeniu.If you override this method, call the base control's OnInit method to notify subscribers to the event.

Dotyczy

Zobacz też