WorkflowView.IServiceProvider.GetService(Type) Método

Definición

Obtiene el servicio del tipo especificado si está disponible.Gets the service of the specified type, if it is available.

 virtual System::Object ^ System.IServiceProvider.GetService(Type ^ serviceType) = IServiceProvider::GetService;
object IServiceProvider.GetService (Type serviceType);
abstract member System.IServiceProvider.GetService : Type -> obj
override this.System.IServiceProvider.GetService : Type -> obj
Function GetService (serviceType As Type) As Object Implements IServiceProvider.GetService

Parámetros

serviceType
Type

Type del servicio que se va a recuperar.The Type of the service to retrieve.

Devoluciones

Object

Un Object que implementa el servicio solicitado o una referencia nula (Nothing en Visual Basic) si el servicio no se puede resolver.An Object implementing the requested service, or a null reference (Nothing in Visual Basic) if the service cannot be resolved.

Implementaciones

Ejemplos

El siguiente ejemplo utiliza el método GetService del objeto WorkflowView para devolver una interfaz ISelectionService.The following example uses the GetService method of the WorkflowView object to return an ISelectionService interface. Si el servicio existe, EnsureVisible se llama pasando la actividad actualmente seleccionada mediante la propiedad PrimarySelection del objeto ISelectionService.If the service exists, EnsureVisible is called passing the currently selected activity using the PrimarySelection property of the ISelectionService object.

public void FindSelection()
{
    ISelectionService selectionService;
    selectionService = ((IServiceProvider)this.workflowView).GetService(typeof(ISelectionService))
        as ISelectionService;

    if (selectionService != null)
        this.workflowView.EnsureVisible(selectionService.PrimarySelection);
}
Public Sub FindSelection()
    Dim selectionService As ISelectionService
    selectionService = CType(CType(Me.workflowView, IServiceProvider).GetService(GetType(ISelectionService)), ISelectionService)

    If selectionService IsNot Nothing Then
        Me.workflowView.EnsureVisible(selectionService.PrimarySelection)
    End If
End Sub

Comentarios

Si serviceType es CommandID este método devolverá un CommandID específico.If the serviceType is CommandID this method will return a specific CommandID. Para cualquier otro Type, GetService devolverá un Objeto que implementa el servicio solicitado o una referencia nula (Nothing) si no se puede resolver el servicio.For any other Type, GetService will return an Object that implements the requested service, or a null reference (Nothing) if the service cannot be resolved.

Se aplica a