DesignerEventHandler Delegate
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Represents the method that will handle the DesignerCreated and DesignerDisposed events that are raised when a document is created or disposed of.
public delegate void DesignerEventHandler(System::Object ^ sender, DesignerEventArgs ^ e);
public delegate void DesignerEventHandler(object sender, DesignerEventArgs e);
public delegate void DesignerEventHandler(object? sender, DesignerEventArgs e);
type DesignerEventHandler = delegate of obj * DesignerEventArgs -> unit
Public Delegate Sub DesignerEventHandler(sender As Object, e As DesignerEventArgs)
- sender
- Object
The source of the event.
A DesignerEventArgs that contains the event data.
The following example demonstrates registering a DesignerEventHandler and handling the DesignerCreated and DesignerDisposed events.
public:
void LinkDesignerEvent( IDesignerEventService^ eventService )
{
// Registers an event handler for the DesignerCreated and DesignerDisposed events.
eventService->DesignerCreated += gcnew DesignerEventHandler(
this, &DesignerEventHandlerExample::OnDesignerEvent );
eventService->DesignerDisposed += gcnew DesignerEventHandler(
this, &DesignerEventHandlerExample::OnDesignerEvent );
}
private:
void OnDesignerEvent( Object^ sender, DesignerEventArgs^ e )
{
// Displays designer event information on the console.
Console::WriteLine( "Name of the root component of the created or disposed designer: " +
e->Designer->RootComponentClassName );
}
public void LinkDesignerEvent(IDesignerEventService eventService)
{
// Registers an event handler for the DesignerCreated and DesignerDisposed events.
eventService.DesignerCreated += new DesignerEventHandler(this.OnDesignerEvent);
eventService.DesignerDisposed += new DesignerEventHandler(this.OnDesignerEvent);
}
private void OnDesignerEvent(object sender, DesignerEventArgs e)
{
// Displays designer event information on the console.
Console.WriteLine("Name of the root component of the created or disposed designer: "+e.Designer.RootComponentClassName);
}
Public Sub LinkDesignerEvent(ByVal eventService As IDesignerEventService)
' Registers an event handler for the DesignerCreated and DesignerDisposed events.
AddHandler eventService.DesignerCreated, AddressOf Me.OnDesignerEvent
AddHandler eventService.DesignerDisposed, AddressOf Me.OnDesignerEvent
End Sub
Private Sub OnDesignerEvent(ByVal sender As Object, ByVal e As DesignerEventArgs)
' Displays designer event information on the console.
Console.WriteLine(("Name of the root component of the created or disposed designer: " + e.Designer.RootComponentClassName))
End Sub
When you create a DesignerEventHandler delegate, you identify the method that will handle the event. To associate the event with your event handler, add an instance of the delegate to the event. The event handler is called whenever the event occurs, unless you remove the delegate. For more information about event-handler delegates, see Handling and Raising Events.
Get |
Gets an object that represents the method represented by the specified delegate. |
Product | Versions |
---|---|
.NET | Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9 |
.NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
.NET Standard | 2.0, 2.1 |
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