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DynamicObject.TryCreateInstance Method

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Definition

Namespace:
System.Dynamic
Assembly:
System.Dynamic.Runtime.dll
Assembly:
System.Linq.Expressions.dll
Assembly:
System.Core.dll
Assembly:
netstandard.dll
Source:
DynamicObject.cs
Source:
DynamicObject.cs
Source:
DynamicObject.cs

Provides the implementation for operations that initialize a new instance of a dynamic object. This method is not intended for use in C# or Visual Basic.

public:
 virtual bool TryCreateInstance(System::Dynamic::CreateInstanceBinder ^ binder, cli::array <System::Object ^> ^ args, [Runtime::InteropServices::Out] System::Object ^ % result);
public virtual bool TryCreateInstance (System.Dynamic.CreateInstanceBinder binder, object[] args, out object result);
public virtual bool TryCreateInstance (System.Dynamic.CreateInstanceBinder binder, object?[]? args, out object? result);
abstract member TryCreateInstance : System.Dynamic.CreateInstanceBinder * obj[] * obj -> bool
override this.TryCreateInstance : System.Dynamic.CreateInstanceBinder * obj[] * obj -> bool
Public Overridable Function TryCreateInstance (binder As CreateInstanceBinder, args As Object(), ByRef result As Object) As Boolean

Parameters

binder
CreateInstanceBinder

Provides information about the initialization operation.

args
Object[]

The arguments that are passed to the object during initialization. For example, for the new SampleType(100) operation, where SampleType is the type derived from the DynamicObject class, args[0] is equal to 100.

result
Object

The result of the initialization.

Returns

Boolean

true if the operation is successful; otherwise, false. If this method returns false, the run-time binder of the language determines the behavior. (In most cases, a language-specific run-time exception is thrown.)

Remarks

Classes derived from the DynamicObject class can override this method to specify how a new instance of the dynamic object should be initialized. When the method is not overridden, the run-time binder of the language determines the behavior. (In most cases, a language-specific run-time exception is thrown.)

C# and Visual Basic compilers never emit code to use this method because they do not support first-class types. This method is intended for languages that support the initialization of dynamic objects by using syntax like dynamic new.

Applies to