Wpf.Ui.Abstractions

A component whose ViewModel is separate from the DataContext and can be navigated by INavigationView.

The type of the ViewModel associated with the view. This type optionally may implement to participate in navigation processes.

Gets the view model used by the view. Optionally, it may implement and be navigated by INavigationView.

Notifies class about being navigated.

Asynchronously handles the event that is fired after the component is navigated to.

A task that represents the asynchronous operation.

Asynchronously handles the event that is fired before the component is navigated from.

A task that represents the asynchronous operation.

Provides a base class for navigation-aware components.

Handles the event that is fired after the component is navigated to.

Handles the event that is fired before the component is navigated from.

Defines a service that provides pages for navigation.

Retrieves a page of the specified type.

The type of the page to retrieve. An instance of the specified page type, or null if the page is not found.

Represents errors that occur during navigation.

Initializes a new instance of the NavigationException class with a specified error message.

The message that describes the error.

Initializes a new instance of the NavigationException class with a specified error message and a reference to the inner exception that is the cause of this exception.

The exception that is the cause of the current exception. The message that describes the error.

Provides extension methods for the INavigationViewPageProvider interface.

Retrieves a page of the specified type from the page service.

The type of the page to retrieve. The page service instance. An instance of the specified page type, or null if the page is not found.

Retrieves a page of the specified type from the page service. Throws a NavigationException if the page is not found.

The type of the page to retrieve. The page service instance. An instance of the specified page type. Thrown when the specified page type is not found.

Specifies that null is allowed as an input even if the corresponding type disallows it.

Specifies that null is disallowed as an input even if the corresponding type allows it.

Applied to a method that will never return under any circumstance.

Specifies that the method will not return if the associated Boolean parameter is passed the specified value.

Initializes the attribute with the specified parameter value.

The condition parameter value. Code after the method will be considered unreachable by diagnostics if the argument to the associated parameter matches this value.

Gets the condition parameter value.

Indicates that an API is experimental and it may change in the future.

This attribute allows call sites to be flagged with a diagnostic that indicates that an experimental feature is used. Authors can use this attribute to ship preview features in their assemblies.

Initializes a new instance of the class, specifying the ID that the compiler will use when reporting a use of the API the attribute applies to.

The ID that the compiler will use when reporting a use of the API the attribute applies to.

Gets the ID that the compiler will use when reporting a use of the API the attribute applies to.

The unique diagnostic ID. The diagnostic ID is shown in build output for warnings and errors. This property represents the unique ID that can be used to suppress the warnings or errors, if needed.

Gets or sets the URL for corresponding documentation. The API accepts a format string instead of an actual URL, creating a generic URL that includes the diagnostic ID.

The format string that represents a URL to corresponding documentation. An example format string is https://contoso.com/obsoletion-warnings/{0}.

Specifies that an output may be null even if the corresponding type disallows it.

Specifies that when a method returns , the parameter may be null even if the corresponding type disallows it.

Initializes the attribute with the specified return value condition.

The return value condition. If the method returns this value, the associated parameter may be null.

Gets the return value condition.

Specifies that the method or property will ensure that the listed field and property members have not-null values.

Initializes the attribute with a field or property member.

The field or property member that is promised to be not-null.

Initializes the attribute with the list of field and property members.

The list of field and property members that are promised to be not-null.

Gets field or property member names.

Specifies that the method or property will ensure that the listed field and property members have not-null values when returning with the specified return value condition.

Initializes the attribute with the specified return value condition and a field or property member.

The return value condition. If the method returns this value, the associated parameter will not be null. The field or property member that is promised to be not-null.

Initializes the attribute with the specified return value condition and list of field and property members.

The return value condition. If the method returns this value, the associated parameter will not be null. The list of field and property members that are promised to be not-null.

Gets the return value condition.

Gets field or property member names.

Specifies that an output will not be null even if the corresponding type allows it. Specifies that an input argument was not null when the call returns.

Specifies that the output will be non-null if the named parameter is non-null.

Initializes the attribute with the associated parameter name.

The associated parameter name. The output will be non-null if the argument to the parameter specified is non-null.

Gets the associated parameter name.

Specifies that when a method returns , the parameter will not be null even if the corresponding type allows it.

Initializes the attribute with the specified return value condition.

The return value condition. If the method returns this value, the associated parameter will not be null.

Gets the return value condition.

Specifies that this constructor sets all required members for the current type, and callers do not need to set any required members themselves.

Specifies the syntax used in a string.

Initializes the with the identifier of the syntax used.

The syntax identifier.

Initializes the with the identifier of the syntax used.

The syntax identifier. Optional arguments associated with the specific syntax employed.

Gets the identifier of the syntax used.

Optional arguments associated with the specific syntax employed.

The syntax identifier for strings containing composite formats for string formatting.

The syntax identifier for strings containing date format specifiers.

The syntax identifier for strings containing date and time format specifiers.

The syntax identifier for strings containing format specifiers.

The syntax identifier for strings containing format specifiers.

The syntax identifier for strings containing JavaScript Object Notation (JSON).

The syntax identifier for strings containing numeric format specifiers.

The syntax identifier for strings containing regular expressions.

The syntax identifier for strings containing time format specifiers.

The syntax identifier for strings containing format specifiers.

The syntax identifier for strings containing URIs.

The syntax identifier for strings containing XML.

Used to indicate a byref escapes and is not scoped.

There are several cases where the C# compiler treats a as implicitly - where the compiler does not allow the to escape the method. For example: for instance methods. parameters that refer to types. parameters. This attribute is used in those instances where the should be allowed to escape. Applying this attribute, in any form, has impact on consumers of the applicable API. It is necessary for API authors to understand the lifetime implications of applying this attribute and how it may impact their users.

Represent a type can be used to index a collection either from the start or the end.

Index is used by the C# compiler to support the new index syntax int[] someArray = new int[5] { 1, 2, 3, 4, 5 } ; int lastElement = someArray[^1]; // lastElement = 5

Construct an Index using a value and indicating if the index is from the start or from the end.

The index value. it has to be zero or positive number. Indicating if the index is from the start or from the end. If the Index constructed from the end, index value 1 means pointing at the last element and index value 0 means pointing at beyond last element.

Create an Index pointing at first element.

Create an Index pointing at beyond last element.

Create an Index from the start at the position indicated by the value.

The index value from the start.

Create an Index from the end at the position indicated by the value.

The index value from the end.

Returns the index value.

Indicates whether the index is from the start or the end.

Calculate the offset from the start using the giving collection length.

The length of the collection that the Index will be used with. length has to be a positive value For performance reason, we don't validate the input length parameter and the returned offset value against negative values. we don't validate either the returned offset is greater than the input length. It is expected Index will be used with collections which always have non negative length/count. If the returned offset is negative and then used to index a collection will get out of range exception which will be same affect as the validation.

Indicates whether the current Index object is equal to another object of the same type.

An object to compare with this object

Indicates whether the current Index object is equal to another Index object.

An object to compare with this object

Returns the hash code for this instance.

Converts integer number to an Index.

Converts the value of the current Index object to its equivalent string representation.

Indicates the type of the async method builder that should be used by a language compiler to build the attributed async method or to build the attributed type when used as the return type of an async method.

Initializes the .

The of the associated builder.

Gets the of the associated builder.

An attribute that allows parameters to receive the expression of other parameters.

Initializes a new instance of the class.

The condition parameter value.

Gets the parameter name the expression is retrieved from.

Initialize the attribute to refer to the method on the type.

The type of the builder to use to construct the collection. The name of the method on the builder to use to construct the collection. must refer to a static method that accepts a single parameter of type and returns an instance of the collection being built containing a copy of the data from that span. In future releases of .NET, additional patterns may be supported.

Gets the type of the builder to use to construct the collection.

Gets the name of the method on the builder to use to construct the collection.

This should match the metadata name of the target method. For example, this might be ".ctor" if targeting the type's constructor.

Indicates that compiler support for a particular feature is required for the location where this attribute is applied.

Creates a new instance of the type.

The name of the feature to indicate.

The name of the compiler feature.

If true, the compiler can choose to allow access to the location where this attribute is applied if it does not understand .

The used for the ref structs C# feature.

The used for the required members C# feature.

Indicates which arguments to a method involving an interpolated string handler should be passed to that handler.

Initializes a new instance of the class.

The name of the argument that should be passed to the handler. may be used as the name of the receiver in an instance method.

Initializes a new instance of the class.

The names of the arguments that should be passed to the handler. may be used as the name of the receiver in an instance method.

Gets the names of the arguments that should be passed to the handler.

may be used as the name of the receiver in an instance method.

Indicates the attributed type is to be used as an interpolated string handler.

Reserved to be used by the compiler for tracking metadata. This class should not be used by developers in source code.

Used to indicate to the compiler that a method should be called in its containing module's initializer.

When one or more valid methods with this attribute are found in a compilation, the compiler will emit a module initializer which calls each of the attributed methods. Certain requirements are imposed on any method targeted with this attribute: - The method must be `static`. - The method must be an ordinary member method, as opposed to a property accessor, constructor, local function, etc. - The method must be parameterless. - The method must return `void`. - The method must not be generic or be contained in a generic type. - The method's effective accessibility must be `internal` or `public`. The specification for module initializers in the .NET runtime can be found here: https://github.com/dotnet/runtime/blob/main/docs/design/specs/Ecma-335-Augments.md#module-initializer

Specifies that a type has required members or that a member is required.

Reserved for use by a compiler for tracking metadata. This attribute should not be used by developers in source code.

Used to indicate to the compiler that the .locals init flag should not be set in method headers.

Initializes a new instance of the class.

Initializes a new instance of the class with the specified message.

An optional message associated with this attribute instance.

Returns the optional message associated with this attribute instance.

Returns the optional URL associated with this attribute instance.