共用方式為


CSharpExtensions.GetConstantValue 方法

定義

public static Microsoft.CodeAnalysis.Optional<object> GetConstantValue (this Microsoft.CodeAnalysis.SemanticModel semanticModel, Microsoft.CodeAnalysis.CSharp.Syntax.ExpressionSyntax expression, System.Threading.CancellationToken cancellationToken = default);
public static Microsoft.CodeAnalysis.Optional<object> GetConstantValue (this Microsoft.CodeAnalysis.SemanticModel? semanticModel, Microsoft.CodeAnalysis.CSharp.Syntax.ExpressionSyntax expression, System.Threading.CancellationToken cancellationToken = default);
static member GetConstantValue : Microsoft.CodeAnalysis.SemanticModel * Microsoft.CodeAnalysis.CSharp.Syntax.ExpressionSyntax * System.Threading.CancellationToken -> Microsoft.CodeAnalysis.Optional<obj>
<Extension()>
Public Function GetConstantValue (semanticModel As SemanticModel, expression As ExpressionSyntax, Optional cancellationToken As CancellationToken = Nothing) As Optional(Of Object)

參數

semanticModel
SemanticModel
expression
ExpressionSyntax
cancellationToken
CancellationToken

傳回

適用於