/// <summary>
/// Returns the full path to the DIRECTORY that will contain the file output
/// <see cref="TraceListener"/> rolling files. The complete path is the root
/// folder defined by this <see cref="Environment.SpecialFolder"/> --- OR, if that was
/// specified as null, then the root folder is <see cref="Path.GetTempPath"/>
/// --- combined with the <see cref="IAppScope.GetAppDataFolderPath"/>; and,
/// any further optional subfolder defined within.
/// </summary>
/// <returns>Not null: absolute, and does not include the file name.</returns>
public string GetLogFolderPath()
{
string path
= Path.Combine(
LogFileRootLocation.HasValue
? Environment.GetFolderPath(LogFileRootLocation.Value)
: Path.GetTempPath(),
AppScope.GetAppDataFolderPath());
return(string.IsNullOrEmpty(LogFileInnerSubFolder)
? path
: Path.Combine(path, LogFileInnerSubFolder));
}
