.NET Framework Class Library
TraceListener.Fail Method (String)
Emits an error message to the listener you create when you implement the TraceListener class.
Assembly: System (in System.dll)
Syntax
Visual Basic
Public Overridable Sub Fail ( _ message As String _ )
C#
public virtual void Fail( string message )
Visual C++
public: virtual void Fail( String^ message )
F#
abstract Fail : message:string -> unit override Fail : message:string -> unit
Parameters
- message
- Type: System.String
A message to emit.
Remarks
The default behavior is to display the specified message in a message box when the application is running in a user-interface mode, and to the TraceListener instances in a TraceListenerCollection collection. By default, the TraceListenerCollection collection has an instance of a DefaultTraceListener. You can customize this behavior by adding a TraceListener to or removing one from the collection.
Version Information
.NET Framework
Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0.NET Framework Client Profile
Supported in: 4, 3.5 SP1Platforms
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
See Also