Provides fallback-on-error.

Supported in .NET, Silverlight, Compact Framework and Mono. ##Configuration Syntax

<targets>
  <target xsi:type="FallbackGroup" name="String" returnToFirstOnSuccess="Boolean">
    <target xsi:type="wrappedTargetType" ... />
    <target xsi:type="wrappedTargetType" ... />
    ...
    <target xsi:type="wrappedTargetType" ... />
  </target>
</targets>

##Parameters ###General Options name - Name of the target. ###Fallback Options returnToFirstOnSuccess - Indicates whether to return to the first target after any successful write. Boolean