public static string Create()
{
string path = null;
if (_path != null)
{
// create file in user specified path
path = Path.Combine(_path, Guid.NewGuid().ToString());
File.Create(path).Close();
}
else
{
// allow OS to create file in system temp path
path = Path.GetTempFileName();
}
try {
// set temporary file attribute so that the file system
// will attempt to keep all of the data in memory
File.SetAttributes(path, new FileInfo(path).Attributes | FileAttributes.Temporary);
} catch {
// sometimes fails with invalid argument exception
}
return(path);
}
/// <summary>
/// Moves file and updates internal reference.
///
/// Calling this method will also remove set the <see cref="IsTempFile"/> property to <c>False</c>.
/// </summary>
/// <param name="dstFileName"></param>
public void Move(string dstFileName, bool overwrite = false)
{
// delete if overwriting; let File.Move thow IOException if not
if (File.Exists(dstFileName) && overwrite)
{
File.Delete(dstFileName);
}
File.Move(Name, dstFileName);
Name = Path.GetFullPath(dstFileName);
IsTempFile = false;
}
