Get the start time for the current process.
This is the time at which the log4net library was loaded into the AppDomain. Due to reports of a hang in the call to System.Diagnostics.Process.StartTime this is not the start time for the current process.
The log4net library should be loaded by an application early during its startup, therefore this start time should be a good approximation for the actual start time.
Note that AppDomains may be loaded and unloaded within the same process without the process terminating, however this start time will be set per AppDomain.
SystemInfo Class | log4net.Util Namespace