C#

public static void AddF5CaptureEvent(Panel mainContentContainer)
{
  foreach (UIElement child in mainContentContainer.Children)
  {
    child.PreviewKeyDown += (s, e) => { if (e.Key == Key.F5) { InterceptFunction() } };

    if (child is Panel)
    {
      AddF5CaptureEvent(child);
    }
  }
}

if (y == 0 || y == -1 && x == int.MinValue)
{
    // do whatever you have to do but don't divide x by y
}
else
{
    int d = x / y;  // this is safe now
}

user20044 wrote:

maybe that one also isn't that reliable

try
{
    ...
}
catch (Exception ex)
{
    throw;
}

var todaysLogFilePath = Path.Combine(_logDir, string.Format("Log{0:yyyy-MMMM-dd}.txt", DateTime.Today));

var todaysLogFilePath = Path.Combine(_logDir, $"Log{DateTime.Today:yyyy-MMMM-dd}.txt");

var todaysLogFilePath = ...;
File.AppendAllLines(todaysLogFilePath, buffer);
buffer.Clear();

user20044 wrote:

So what is your opinion do you think it is worth to use my class in my application?

user20044 wrote:

I can set buffer size to one

static class GMLogger
{
    private const string LogDirectory = @"C:\Logs\";
    private static readonly object _syncObject = new object();

    private static string EnsureLogDirectory()
    {
        string path = LogDirectory;
        Directory.CreateDirectory(path);
        return path;
    }

    private static string BuildLogPath(string directory, DateTime logDate)
    {
        string fileName = string.Format("Log{0:yyyy-MM-dd}.txt", logDate);
        return Path.Combine(directory, fileName);
    }

    public static void Log(string logMessage)
    {
        lock (_syncObject)
        {
            string directory = EnsureLogDirectory();
            string fileName = BuildLogPath(directory, DateTime.Today);
            File.AppendAllLines(fileName, new[] { logMessage });
        }
    }
}

user20044 wrote:

AppendAllText uses FileShare.None flag?

user20044 wrote:

So what are shortcomings of this final version of the class you think?