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IDependencyResolver

Name Value
Assembly Catel.Core
Namespace Catel.IoC
Available on .NET Framework 4.5, .NET Framework 4.6, Portable Class Libraries, Xamarin - Android, Xamarin - iOS 
public interface IDependencyResolver

Provides a simplified way to resolve dependencies and allows customization of the way dependencies are resolved.

Methods

CanResolve(Type type, object tag)

Determines whether the specified type with the specified tag can be resolved.

Parameters

Name Description
type The type.
tag The tag.

Returns

true if the specified type with the specified tag can be resolved; otherwise,false.

Exceptions

Name Description
ArgumentNullException The type isnull.

CanResolveAll(Type[] types)

Determines whether all types specified can be resolved. Though Object) will returnnull at the array index when a type cannot be resolved, this method will actually check whether all the specified types are registered. It is still possible to call Object), even when this method returnsfalse.

Parameters

Name Description
types The types.

Returns

true if all types specified can be resolved; otherwise,false.

Exceptions

Name Description
ArgumentException The types isnull or empty.

CanResolveMultiple(Type[] types)

Determines whether all types specified can be resolved. Though Object) will returnnull at the array index when a type cannot be resolved, this method will actually check whether all the specified types are registered. It is still possible to call Object), even when this method returnsfalse.

Parameters

Name Description
types The types.

Returns

true if all types specified can be resolved; otherwise,false.

Exceptions

Name Description
ArgumentException The types isnull or empty.

Resolve(Type type, object tag)

Resolves the specified type with the specified tag.

Parameters

Name Description
type The type.
tag The tag.

Returns

The resolved object ornull if the type could not be resolved.

Exceptions

Name Description
ArgumentNullException The type isnull.

ResolveAll(Type[] types, object tag)

Resolves the specified types with the specified tag.

Parameters

Name Description
types The types.
tag The tag.

Returns

A lost of resolved types. If one of the types cannot be resolved, that location in the array will benull.

Exceptions

Name Description
ArgumentException The types isnull or empty.

ResolveMultiple(Type[] types, object tag)

Resolves the specified types with the specified tag.

Parameters

Name Description
types The types.
tag The tag.

Returns

A lost of resolved types. If one of the types cannot be resolved, that location in the array will benull.

Exceptions

Name Description
ArgumentException The types isnull or empty.

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