public static void write()
{
StreamWriter sw = new StreamWriter(@"D:\Practice1\sample\Text8.txt");
if (sw.Equals(StreamWriter.Null))
{
Console.WriteLine("Itt is null file");
}
sw.WriteLine("Hello world");
sw.Close();
}
/// <summary>
/// ログ出力
/// </summary>
/// <param name="str">出力文字列</param>
/// <param name="log_category">ログ種別</param>
/// <param name="replace_category">差し替えログ種別</param>
private void write_log(string str, string log_category)
{
if ((str == null) || (str.Equals("")))
{
return;
}
if (_stream.Equals(null))
{
Console.WriteLine(str); // ログ出力オブジェクトがない場合はコンソールに表示
return;
}
try
{
FileInfo file_info = new FileInfo(_file_name);
if ((_max_output_size != 0) && (file_info.Length > _max_output_size))
{
_stream.Dispose();
_fl_stream.Dispose();
_file_name = $"{_original_filename}_{_division_count}{_original_extension}";
_fl_stream = new FileStream(_file_name, FileMode.Append, FileAccess.Write, FileShare.Read);
_stream = new StreamWriter(_fl_stream, Encoding.GetEncoding(_file_encode));
_division_count++;
}
DateTime dt_obj = DateTime.Now;
string write_str = dt_obj.ToString("HH:mm:ss.fff\t");
write_str += (!log_category.Equals("")) ? $"[{log_category}]" + ":\t" : "";
write_str += str;
_stream.Write(write_str);
_stream.Flush();
_stream.WriteLine();
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
private void BeginWrite(string logFile)
{
//</snippet3>
//<snippet4>
StreamWriter sw = new StreamWriter(logFile, true);
//</snippet4>
//<snippet5>
// Gets or sets a value indicating whether the StreamWriter
// will flush its buffer to the underlying stream after every
// call to StreamWriter.Write.
sw.AutoFlush = true;
//</snippet5>
//<snippet6>
if (sw.Equals(StreamWriter.Null))
{
sw.WriteLine("The store can be written to, but not read from.");
}
//</snippet6>
//<snippet7>
sw.Write(char.Parse(" "));
//</snippet7>
//<snippet8>
string hello = "Hellow World!";
char[] buffer = hello.ToCharArray();
sw.Write(buffer);
//</snippet8>
//<snippet9>
string helloWorld = "Hellow World!";
// writes out "low World"
sw.Write(helloWorld);
//</snippet9>
//<snippet10>
sw.WriteLine("---Begin Log Entry---");
//</snippet10>
//<snippet11>
// Write out the current text encoding
sw.WriteLine("Encoding: {0}",
sw.Encoding.ToString());
//</snippet11>
//<snippet12>
// Display the Format Provider
sw.WriteLine("Format Provider: {0} ",
sw.FormatProvider.ToString());
//</snippet12>
//<snippet13>
// Set the characters you would like to designate a new line
sw.NewLine = "\r\n";
//</snippet13>
//<snippet14>
ILease obj = (ILease)sw.InitializeLifetimeService();
if (obj != null)
{
sw.WriteLine("Object initialized lease " +
"time remaining: {0}.",
obj.CurrentLeaseTime.ToString()
);
}
//</snippet14>
//<snippet15>
ILease lease = (ILease)sw.GetLifetimeService();
if (lease != null)
{
sw.WriteLine("Object lease time remaining: {0}.",
lease.CurrentLeaseTime.ToString()
);
}
//</snippet15>
//<snippet16>
// update underlying file
sw.Flush();
//</snippet16>
//<snippet17>
// close the file by closing the writer
sw.Close();
//</snippet17>
//<snippet18>
}
