private Task VerifyStateAsync(IProjectTree node, string path)
{
if (_isFolder != node.IsFolder)
{
throw new IOException(string.Format(CultureInfo.CurrentCulture, Resources.SpecialFileProvider_FileOrFolderAlreadyExists, node.Caption), Win32Interop.HResultFromWin32(Win32Interop.ERROR_FILE_EXISTS));
}
if (!node.Flags.IsIncludedInProject())
{ // Excluded from project
return(AddFileAsync(path));
}
if (node.Flags.IsMissingOnDisk())
{ // Project includes it, but missing from disk
return(CreateFileAsync(path));
}
return(Task.CompletedTask);
}