ServiceProvider.QueryService Method
Definition
Important
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Overloads
| QueryService(Guid, Object) |
Gets the specified service from the unmanaged service provider. |
| QueryService(Type, Object) |
Gets type-based services from the unmanaged service provider. |
QueryService(Guid, Object)
Gets the specified service from the unmanaged service provider.
public:
int QueryService(Guid guid, [Runtime::InteropServices::Out] System::Object ^ % service);public int QueryService (Guid guid, out object service);member this.QueryService : Guid * obj -> intPublic Function QueryService (guid As Guid, ByRef service As Object) As IntegerParameters
- guid
- Guid
The GUID of the service to retrieve.
- service
- Object
The requested service, or a null reference (Nothing in Visual Basic) if the service could not be located.
Returns
The HRESULT of the QueryService invocation on the native service provider.
Applies to
QueryService(Type, Object)
Gets type-based services from the unmanaged service provider.
public:
int QueryService(Type ^ serviceType, [Runtime::InteropServices::Out] System::Object ^ % service);public int QueryService (Type serviceType, out object service);member this.QueryService : Type * obj -> intPublic Function QueryService (serviceType As Type, ByRef service As Object) As IntegerParameters
- serviceType
- Type
The type of service to retrieve. The GUID of this type is used to obtain the service from the native service provider.
- service
- Object
The requested service, or a null reference (Nothing in Visual Basic) if the service could not be located.
Returns
The HRESULT of the QueryService invocation on the native service provider.