public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
TypeSyntax type = root
.FindNode(context.Span, getInnermostNodeForTie: true)?
.FirstAncestorOrSelf <TypeSyntax>();
Debug.Assert(type != null, $"{nameof(type)} is null");
if (type == null)
{
return;
}
SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);
GenericNameSyntax newType = UseGenericEventHandlerRefactoring.CreateGenericEventHandler(type, semanticModel, context.CancellationToken);
CodeAction codeAction = CodeAction.Create(
$"Use '{newType}'",
cancellationToken => UseGenericEventHandlerRefactoring.RefactorAsync(context.Document, type, cancellationToken),
DiagnosticIdentifiers.UseGenericEventHandler + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, context.Diagnostics);
}
public override void Initialize(AnalysisContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
base.Initialize(context);
context.RegisterSymbolAction(f => UseGenericEventHandlerRefactoring.AnalyzeEvent(f), SymbolKind.Event);
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.GetSyntaxRootAsync().ConfigureAwait(false);
if (!TryFindFirstAncestorOrSelf(root, context.Span, out TypeSyntax type))
{
return;
}
SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);
GenericNameSyntax newType = UseGenericEventHandlerRefactoring.CreateGenericEventHandler(type, semanticModel, context.CancellationToken);
CodeAction codeAction = CodeAction.Create(
$"Use '{newType}'",
cancellationToken => UseGenericEventHandlerRefactoring.RefactorAsync(context.Document, type, cancellationToken),
GetEquivalenceKey(DiagnosticIdentifiers.UseGenericEventHandler));
context.RegisterCodeFix(codeAction, context.Diagnostics);
}
