private bool TryInitialize(
TService service,
Document document,
TextSpan textSpan,
IList <ISymbol> selectedMembers,
CancellationToken cancellationToken)
{
if (!selectedMembers.All(IsWritableInstanceFieldOrProperty))
{
return(false);
}
this.TextSpan = textSpan;
this.SelectedMembers = selectedMembers;
this.ContainingType = this.SelectedMembers[0].ContainingType;
if (this.ContainingType == null || this.ContainingType.TypeKind == TypeKind.Interface)
{
return(false);
}
this.Parameters = service.DetermineParameters(selectedMembers);
if (service.HasMatchingConstructor(this.ContainingType, this.Parameters))
{
return(false);
}
this.DelegatedConstructor = service.GetDelegatedConstructor(this.ContainingType, this.Parameters);
return(this.DelegatedConstructor != null);
}