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WhenContainsFilter Class
Matches when the calculated layout contains the specified substring. This filter is deprecated in favor of <when /> which is based on conditions.
Inheritance Hierarchy

Namespace: NLog.Filters
Assembly: NLog (in NLog.dll) Version: 4.3.0
Syntax
public class WhenContainsFilter : LayoutBasedFilter

The WhenContainsFilter type exposes the following members.

Constructors
  NameDescription
Public methodWhenContainsFilter
Initializes a new instance of the WhenContainsFilter class
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Properties
  NameDescription
Public propertyAction
Gets or sets the action to be taken when filter matches.
(Inherited from Filter.)
Public propertyIgnoreCase
Gets or sets a value indicating whether to ignore case when comparing strings.
Public propertyLayout
Gets or sets the layout to be used to filter log messages.
(Inherited from LayoutBasedFilter.)
Public propertySubstring
Gets or sets the substring to be matched.
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Methods
  NameDescription
Protected methodCheck
Checks whether log event should be logged or not.
(Overrides FilterCheck(LogEventInfo).)
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See Also