/// <summary>
/// Try to acquire the token quietly
/// </summary>
/// <param name="uniqueIdentifier"></param>
/// <returns>True if we successfully acquired the token, false otherwise</returns>
public static bool AcquireTokenQuietly(string uniqueIdentifier)
{
Guard.AgainstNull(uniqueIdentifier, "uniqueIdentifier");
// Each process may only acquire one token
if (s_fileLock != null)
return false;
s_fileLock = SimpleFileLock.Create(uniqueIdentifier + FileExtension);
return s_fileLock.TryAcquireLock();
}
/// <summary>
/// Releases the token when client is finished with it
///
/// Even though it is a very good idea to release the token when finished with it,
/// in the event of a crash, the file is released anyway meaning another application can get it.
/// </summary>
public static void ReleaseToken()
{
if (s_fileLock != null)
{
s_fileLock.ReleaseLock();
s_fileLock = null;
}
}