log4net SDK Reference |

# LogImpl.FatalFormat Method (String, Object)

Logs a formatted message string with the `FATAL` level.

[Visual Basic]
Overridable Overloads Public Sub FatalFormat( _
ByVal format As String, _
ByVal arg0 As Object _
) _
Implements ILog.FatalFormat
[C#]
public virtual void FatalFormat(
string format,
object arg0
);

#### Parameters

format
  A String containing zero or more format items
arg0
  An Object to format

#### Implements

ILog.FatalFormat

#### Remarks

The message is formatted using the Format method. See `String.Format` for details of the syntax of the format string and the behavior of the formatting.

The string is formatted using the InvariantCulture format provider. To specify a localized provider use the FatalFormat method.

This method does not take an Exception object to include in the log event. To pass an Exception use one of the Fatal methods instead.

#### See Also

LogImpl Class | log4net.Core Namespace | LogImpl.FatalFormat Overload List