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SemanticModel.GetDeclarationDiagnostics Method

Definition

Get all of the declaration errors within the syntax tree associated with this object. Does not get errors involving incorrect syntax, compiling method bodies or initializers.

public abstract System.Collections.Immutable.ImmutableArray<Microsoft.CodeAnalysis.Diagnostic> GetDeclarationDiagnostics (Microsoft.CodeAnalysis.Text.TextSpan? span = default, System.Threading.CancellationToken cancellationToken = default);
abstract member GetDeclarationDiagnostics : Nullable<Microsoft.CodeAnalysis.Text.TextSpan> * System.Threading.CancellationToken -> System.Collections.Immutable.ImmutableArray<Microsoft.CodeAnalysis.Diagnostic>
Public MustOverride Function GetDeclarationDiagnostics (Optional span As Nullable(Of TextSpan) = Nothing, Optional cancellationToken As CancellationToken = Nothing) As ImmutableArray(Of Diagnostic)

Parameters

span
Nullable<TextSpan>

Optional span within the syntax tree for which to get diagnostics. If no argument is specified, then diagnostics for the entire tree are returned.

cancellationToken
CancellationToken

A cancellation token that can be used to cancel the process of obtaining the diagnostics.

Returns

Remarks

The declaration errors for a syntax tree are cached. The first time this method is called, all declarations are analyzed for diagnostics. Calling this a second time will return the cached diagnostics.

Applies to