private static IEnumerable <T> AttachProcessInternal <T>(this IEnumerable <T> input, ISetMaxProgressContext progress, string preText, int step)
{
preText = string.IsNullOrWhiteSpace(preText) ? "" : preText + " ";
var progressCount = step;
foreach (var element in input)
{
yield return(element);
progress?.ReportProgress($"{preText}{progressCount}/{progress.MaxValue}", progressCount);
progressCount += step;
}
}
public static IEnumerable <T> AttachProgress <T>(this IEnumerable <T> input, ISetMaxProgressContext progress) => input.AttachProgress(progress, string.Empty, 1);
public static IEnumerable <T> AttachProgress <T>(this IEnumerable <T> input, ISetMaxProgressContext progress, string preText, int step)
{
return(progress == null ? input : input.AttachProcessInternal(progress, preText, step));
}
