Class TypeUtility

This utility class is designed to make System.Type operations easier to work with.

Inheritance

System.Object

TypeUtility

Namespace: Cuemon

Assembly: Cuemon.Core.dll

Syntax

public static class TypeUtility

Methods

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ContainsAttributeType(Object, Boolean, Type[])

Determines whether the specified source object contains one or more of the specified attribute target types.

Declaration

public static bool ContainsAttributeType(object source, bool inherit, params Type[] targets)

Parameters

Type	Name	Description
System.Object	source	The source object to match against.
System.Boolean	inherit	`true` to search the `source` inheritance chain to find the attributes; otherwise, `false`.
System.Type[]	targets	The attribute target types to be matched against.

Returns

Type	Description
System.Boolean	`true` if the specified source object contains one or more of the specified attribute target types; otherwise, `false`.

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ContainsAttributeType(Object, Type[])

Determines whether the specified source object contains one or more of the specified attribute target types.

Declaration

public static bool ContainsAttributeType(object source, params Type[] targets)

Parameters

Type	Name	Description
System.Object	source	The source object to match against.
System.Type[]	targets	The attribute target types to be matched against.

Returns

Type	Description
System.Boolean	`true` if the specified source object contains one or more of the specified attribute target types; otherwise, `false`.

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ContainsAttributeType(MemberInfo, Boolean, Type[])

Determines whether the specified source type contains one or more of the specified attribute target types.

Declaration

public static bool ContainsAttributeType(MemberInfo source, bool inherit, params Type[] targets)

Parameters

Type	Name	Description
System.Reflection.MemberInfo	source	The member to match against.
System.Boolean	inherit	`true` to search the `source` inheritance chain to find the attributes; otherwise, `false`.
System.Type[]	targets	The attribute target types to be matched against.

Returns

Type	Description
System.Boolean	`true` if the specified member contains one or more of the specified attribute target types; otherwise, `false`.

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ContainsAttributeType(MemberInfo, Type[])

Determines whether the specified source type contains one or more of the specified attribute target types.

Declaration

public static bool ContainsAttributeType(MemberInfo source, params Type[] targets)

Parameters

Type	Name	Description
System.Reflection.MemberInfo	source	The member to match against.
System.Type[]	targets	The attribute target types to be matched against.

Returns

Type	Description
System.Boolean	`true` if the specified member contains one or more of the specified attribute target types; otherwise, `false`.

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ContainsAttributeType(Type, Boolean, Type[])

Determines whether the specified source type contains one or more of the specified attribute target types.

Declaration

public static bool ContainsAttributeType(Type source, bool inherit, params Type[] targets)

Parameters

Type	Name	Description
System.Type	source	The source type to match against.
System.Boolean	inherit	`true` to search the `source` inheritance chain to find the attributes; otherwise, `false`.
System.Type[]	targets	The attribute target types to be matched against.

Returns

Type	Description
System.Boolean	`true` if the specified source type contains one or more of the specified attribute target types; otherwise, `false`.

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ContainsAttributeType(Type, Type[])

Determines whether the specified source type contains one or more of the specified attribute target types.

Declaration

public static bool ContainsAttributeType(Type source, params Type[] targets)

Parameters

Type	Name	Description
System.Type	source	The source type to match against.
System.Type[]	targets	The attribute target types to be matched against.

Returns

Type	Description
System.Boolean	`true` if the specified source type contains one or more of the specified attribute target types; otherwise, `false`.

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ContainsInterface(Object, Boolean, Type[])

Determines whether the specified source contains one or more of the target types specified.

Declaration

public static bool ContainsInterface(object source, bool inherit, params Type[] targets)

Parameters

Type	Name	Description
System.Object	source	The source object to match against.
System.Boolean	inherit	Specifies whether to search this member's inheritance chain to find the interfaces.
System.Type[]	targets	The target interface types to be matched against.

Returns

Type	Description
System.Boolean	`true` if the specified source contains one or more of the target types specified; otherwise, `false`.

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ContainsInterface(Object, Type[])

Determines whether the specified source contains one or more of the target types specified throughout this member's inheritance chain.

Declaration

public static bool ContainsInterface(object source, params Type[] targets)

Parameters

Type	Name	Description
System.Object	source	The source object to match against.
System.Type[]	targets	The target interface types to be matched against.

Returns

Type	Description
System.Boolean	`true` if the specified source contains one or more of the target types specified throughout this member's inheritance chain; otherwise, `false`.

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ContainsInterface(Type, Boolean, Type[])

Determines whether the specified source contains one or more of the target types specified.

Declaration

public static bool ContainsInterface(Type source, bool inherit, params Type[] targets)

Parameters

Type	Name	Description
System.Type	source	The source type to match against.
System.Boolean	inherit	Specifies whether to search this member's inheritance chain to find the interfaces.
System.Type[]	targets	The target interface types to be matched against.

Returns

Type	Description
System.Boolean	`true` if the specified source contains one or more of the target types specified; otherwise, `false`.

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ContainsInterface(Type, Type[])

Determines whether the specified source contains one or more of the target types specified throughout this member's inheritance chain.

Declaration

public static bool ContainsInterface(Type source, params Type[] targets)

Parameters

Type	Name	Description
System.Type	source	The source type to match against.
System.Type[]	targets	The target interface types to be matched against.

Returns

Type	Description
System.Boolean	`true` if the specified source contains one or more of the target types specified throughout this member's inheritance chain; otherwise, `false`.

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ContainsType(Object, Boolean, Type[])

Determines whether the specified source/collection of source object(s) contains one or more of the specified target types.

Declaration

public static bool ContainsType(object source, bool treatSourceAsEnumerable, params Type[] targets)

Parameters

Type	Name	Description
System.Object	source	The source object to match against.
System.Boolean	treatSourceAsEnumerable	if set to `true` the source object is cast as an System.Collections.IEnumerable object, and the actual matching is now done against the source objects within the collection against the target types specified.
System.Type[]	targets	The target types to be matched against.

Returns

Type	Description
System.Boolean	`true` if the specified source contains one or more of the specified target types; otherwise, `false`.

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ContainsType(Object, Type[])

Determines whether the specified source contains one or more of the specified target types.

Declaration

public static bool ContainsType(object source, params Type[] targets)

Parameters

Type	Name	Description
System.Object	source	The source object to match against.
System.Type[]	targets	The target types to be matched against.

Returns

Type	Description
System.Boolean	`true` if the specified source contains one or more of the specified target types; otherwise, `false`.

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ContainsType(Type, Type[])

Determines whether the specified source type contains one or more of the specified target types.

Declaration

public static bool ContainsType(Type source, params Type[] targets)

Parameters

Type	Name	Description
System.Type	source	The source type to match against.
System.Type[]	targets	The target types to be matched against.

Returns

Type	Description
System.Boolean	`true` if the specified source contains one or more of the specified target types; otherwise, `false`.

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GetAncestorAndDescendantsOrSelfTypes(Type)

Gets a sorted (base-to-derived) sequence of ancestor-and-descendant-or-self types from the source.

Declaration

public static IEnumerable<Type> GetAncestorAndDescendantsOrSelfTypes(Type source)

Parameters

Type	Name	Description
System.Type	source	The source type to locate ancestor-and-descendant-or-self types from.

Returns

Type	Description
System.Collections.Generic.IEnumerable<System.Type>	An System.Collections.Generic.IEnumerable<T> holding the ancestor-and-descendant-or-self types from the `source`.

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GetAncestorAndDescendantsOrSelfTypes(Type, Assembly[])

Gets a sorted (base-to-derived) sequence of ancestor-and-descendant-or-self types from the source.

Declaration

public static IEnumerable<Type> GetAncestorAndDescendantsOrSelfTypes(Type source, params Assembly[] assemblies)

Parameters

Type	Name	Description
System.Type	source	The source type to locate ancestor-and-descendant-or-self types from.
System.Reflection.Assembly[]	assemblies	The assemblies to search for the `source`.

Returns

Type	Description
System.Collections.Generic.IEnumerable<System.Type>	An System.Collections.Generic.IEnumerable<T> holding the ancestor-and-descendant-or-self types from the `source`.

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GetAncestorOrSelf(Type, Type)

Gets the ancestor-or-self System.Type from the specified source.

Declaration

public static Type GetAncestorOrSelf(Type source, Type sourceBaseLimit)

Parameters

Type	Name	Description
System.Type	source	The source type to traverse.
System.Type	sourceBaseLimit	The base limit of `source`.

Returns

Type	Description
System.Type	The ancestor-or-self type from the specified `source` that is derived or equal to `sourceBaseLimit`.

Exceptions

Type	Condition
System.ArgumentNullException	`source` - or - `sourceBaseLimit` is null.

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GetAncestorOrSelfTypes(Type)

Gets a sequence of ancestor-or-self types from the source.

Declaration

public static IEnumerable<Type> GetAncestorOrSelfTypes(Type source)

Parameters

Type	Name	Description
System.Type	source	The source type to locate ancestor-or-self types from.

Returns

Type	Description
System.Collections.Generic.IEnumerable<System.Type>	An System.Collections.Generic.IEnumerable<T> holding the ancestor-or-self types from the `source`.

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GetDefaultValue(Type)

Gets the default value of the specified type.

Declaration

public static object GetDefaultValue(Type type)

Parameters

Type	Name	Description
System.Type	type	The System.Type to retrieve its default value from.

Returns

Type	Description
System.Object	The default value of `type`.

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GetDescendantOrSelfTypes(Type)

Gets a sequence of derived types from the source an it's associated System.Reflection.Assembly.

Declaration

public static IEnumerable<Type> GetDescendantOrSelfTypes(Type source)

Parameters

Type	Name	Description
System.Type	source	The source type to locate derived types from.

Returns

Type	Description
System.Collections.Generic.IEnumerable<System.Type>	An System.Collections.Generic.IEnumerable<T> holding the derived types from the `source`.

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GetDescendantOrSelfTypes(Type, Assembly[])

Gets a sequence of derived types from the source.

Declaration

public static IEnumerable<Type> GetDescendantOrSelfTypes(Type source, params Assembly[] assemblies)

Parameters

Type	Name	Description
System.Type	source	The source type to locate derived types from.
System.Reflection.Assembly[]	assemblies	The assemblies to search for the `source`.

Returns

Type	Description
System.Collections.Generic.IEnumerable<System.Type>	An System.Collections.Generic.IEnumerable<T> holding the derived types from the `source`.

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Is<T>(Object)

Determines whether the specified source is of T.

Declaration

public static bool Is<T>(object source)

Parameters

Type	Name	Description
System.Object	source	The object to compare with `T`.

Returns

Type	Description
System.Boolean	`true` if the specified `source` is of `T`; otherwise, `false`.

Type Parameters

Name	Description
T	The type to compare with `source`.

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IsAnonymousMethod(Type)

Determines whether the specified source is an anonymous method (be that in a form of a delegate or lambda expression).

Declaration

public static bool IsAnonymousMethod(Type source)

Parameters

Type	Name	Description
System.Type	source	The System.Type to determine is an anonymous method.

Returns

Type	Description
System.Boolean	`true` if the specified `source` is an anonymous method; otherwise, `false`.

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IsComparable(Type)

Determines whether the specified source implements either System.IComparable or System.IComparable<T>.

Declaration

public static bool IsComparable(Type source)

Parameters

Type	Name	Description
System.Type	source	The source type to check for implements of either System.IComparable or System.IComparable<T>.

Returns

Type	Description
System.Boolean	`true` if the specified `source` implements either System.IComparable or System.IComparable<T>; otherwise, `false`.

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IsComparer(Type)

Determines whether the specified source implements either System.Collections.IComparer or System.Collections.Generic.IComparer<T>.

Declaration

public static bool IsComparer(Type source)

Parameters

Type	Name	Description
System.Type	source	The source type to check for implements of either System.Collections.IComparer or System.Collections.Generic.IComparer<T>.

Returns

Type	Description
System.Boolean	`true` if the specified `source` implements either System.Collections.IComparer or System.Collections.Generic.IComparer<T>; otherwise, `false`.

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IsComplex(Type[])

Determines whether the specified sources, as a whole, is determined a complex System.Type.

Declaration

public static bool IsComplex(params Type[] sources)

Parameters

Type	Name	Description
System.Type[]	sources	The System.Type (or types) to determine complexity for.

Returns

Type	Description
System.Boolean	`true` if specified `sources`, as a whole, is a complex System.Type; otherwise, `false`.

Exceptions

Type	Condition
System.ArgumentNullException	`sources` is null.

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IsDictionary(Type)

Determines whether the specified source implements either System.Collections.IDictionary, System.Collections.Generic.IDictionary<TKey, TValue> or System.Collections.Generic.IReadOnlyDictionary<TKey, TValue>.

Declaration

public static bool IsDictionary(Type source)

Parameters

Type	Name	Description
System.Type	source	The source type to check for implements of either System.Collections.IDictionary, System.Collections.Generic.IDictionary<TKey, TValue> or System.Collections.Generic.IReadOnlyDictionary<TKey, TValue>

Returns

Type	Description
System.Boolean	`true` if the specified `source` implements either System.Collections.IDictionary, System.Collections.Generic.IDictionary<TKey, TValue> or System.Collections.Generic.IReadOnlyDictionary<TKey, TValue>; otherwise, `false`.

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IsEnumerable(Type)

Determines whether the specified source implements either System.Collections.IEnumerable or System.Collections.Generic.IEnumerable<T>.

Declaration

public static bool IsEnumerable(Type source)

Parameters

Type	Name	Description
System.Type	source	The source type to check for implements of either System.Collections.IEnumerable or System.Collections.Generic.IEnumerable<T>.

Returns

Type	Description
System.Boolean	`true` if the specified `source` implements either System.Collections.IEnumerable or System.Collections.Generic.IEnumerable<T>; otherwise, `false`.

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IsEqualityComparer(Type)

Determines whether the specified source implements either System.Collections.IEqualityComparer or System.Collections.Generic.IEqualityComparer<T>.

Declaration

public static bool IsEqualityComparer(Type source)

Parameters

Type	Name	Description
System.Type	source	The source type to check for implements of either System.Collections.IEqualityComparer or System.Collections.Generic.IEqualityComparer<T>.

Returns

Type	Description
System.Boolean	`true` if the specified `source` implements either System.Collections.IEqualityComparer or System.Collections.Generic.IEqualityComparer<T>; otherwise, `false`.

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IsKeyValuePair(Type)

Determines whether the specified source implements either System.Collections.DictionaryEntry or System.Collections.Generic.KeyValuePair<TKey,TValue>.

Declaration

public static bool IsKeyValuePair(Type source)

Parameters

Type	Name	Description
System.Type	source	The source type to check for implements of either System.Collections.DictionaryEntry or System.Collections.Generic.KeyValuePair<TKey,TValue>.

Returns

Type	Description
System.Boolean	`true` if the specified `source` implements either System.Collections.DictionaryEntry or System.Collections.Generic.KeyValuePair<TKey,TValue>.; otherwise, `false`.

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IsNot<T>(Object)

Determines whether the specified source is not of T.

Declaration

public static bool IsNot<T>(object source)

Parameters

Type	Name	Description
System.Object	source	The object to compare with `T`.

Returns

Type	Description
System.Boolean	`true` if the specified `source` is not of `T`; otherwise, `false`.

Type Parameters

Name	Description
T	The type to compare with `source`.

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IsNullable(Type)

Determines whether the specified source is a nullable System.ValueType.

Declaration

public static bool IsNullable(Type source)

Parameters

Type	Name	Description
System.Type	source	The source type to check for nullable System.ValueType.

Returns

Type	Description
System.Boolean	`true` if the specified source is nullable; otherwise, `false`.

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IsNullable<T>(T)

Determines whether the specified source is a nullable System.ValueType.

Declaration

public static bool IsNullable<T>(T source)

Parameters

Type	Name	Description
T	source	The source type to check for nullable System.ValueType.

Returns

Type	Description
System.Boolean	`true` if the specified source is nullable; otherwise, `false`.

Type Parameters

Name	Description
T	The type of the `source` of `T`.

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IsNullable<T>(Nullable<T>)

Determines whether the specified source is a nullable System.ValueType.

Declaration

public static bool IsNullable<T>(T? source)
    where T : struct

Parameters

Type	Name	Description
System.Nullable<T>	source	The source type to check for nullable System.ValueType.

Returns

Type	Description
System.Boolean	`true` if the specified source is nullable; otherwise, `false`.

Type Parameters

Name	Description
T	The type of the `source` of `T`.

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IsWithDefaultConstructor(Type)

Determines whether the specified source has a default constructor.

Declaration

public static bool IsWithDefaultConstructor(Type source)

Parameters

Type	Name	Description
System.Type	source	The System.Type to determine is with default constructor.

Returns

Type	Description
System.Boolean	`true` if the specified `source` has a default constructor; otherwise, `false`.

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IsWithoutDefaultConstructor(Type)

Determines whether the specified source does not have a default constructor.

Declaration

public static bool IsWithoutDefaultConstructor(Type source)

Parameters

Type	Name	Description
System.Type	source	The System.Type to determine is without a default constructor.

Returns

Type	Description
System.Boolean	`true` if the specified `source` does not have a default constructor; otherwise, `false`.