StringLengthAttribute Class
Custom attribute that, when added to a field, property or parameter, throws an ArgumentException if the target is assigned a string of invalid length. Null strings are accepted and do not throw an exception.
Inheritance Hierarchy
System.Object
  System.Attribute
    PostSharp.Extensibility.MulticastAttribute
      PostSharp.Patterns.Contracts.LocationContractAttribute
        PostSharp.Patterns.Contracts.StringLengthAttribute

Namespace: PostSharp.Patterns.Contracts
Assembly: PostSharp.Patterns.Model (in PostSharp.Patterns.Model.dll) Version: 4.3.31.0 (4.3.31.0)
Syntax
C#
public sealed class StringLengthAttribute : LocationContractAttribute, 
	IAspect

The StringLengthAttribute type exposes the following members.

Constructors
  NameDescription
Public methodStringLengthAttribute(Int32)
Initializes a new StringLengthAttribute and specifies the maximum length.
Public methodStringLengthAttribute(Int32, Int32)
Initializes a new StringLengthAttribute and specifies the maximum length and the minimum length.
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Properties
  NameDescription
Public propertyAttributeExclude
If true, indicates that this attribute removes all other instances of the same attribute type from the set of elements defined by the current instance.
(Inherited from MulticastAttribute.)
Public propertyAttributeInheritance
Determines whether this attribute is inherited
(Inherited from MulticastAttribute.)
Public propertyAttributePriority
Gets or sets the priority of the current attribute in case that multiple instances are defined on the same element (lower values are processed before).
(Inherited from MulticastAttribute.)
Public propertyAttributeReplace
Determines whether this attribute replaces other attributes found on the target declarations.
(Inherited from MulticastAttribute.)
Public propertyAttributeTargetAssemblies
Gets or sets the assemblies to which the current attribute apply.
(Inherited from MulticastAttribute.)
Public propertyAttributeTargetElements
Gets or sets the kind of elements to which this custom attributes applies.
(Inherited from MulticastAttribute.)
Public propertyAttributeTargetExternalMemberAttributes
Gets or sets the visibilities, scopes, virtualities, and implementation of members to which this attribute applies, when the member is external to the current module.
(Inherited from MulticastAttribute.)
Public propertyAttributeTargetExternalTypeAttributes
Gets or sets the visibilities of types to which this attribute applies, when this type is external to the current module.
(Inherited from MulticastAttribute.)
Public propertyAttributeTargetMemberAttributes
Gets or sets the visibilities, scopes, virtualities, and implementation of members to which this attribute applies.
(Inherited from MulticastAttribute.)
Public propertyAttributeTargetMembers
Gets or sets the expression specifying to which members this instance applies.
(Inherited from MulticastAttribute.)
Public propertyAttributeTargetParameterAttributes
Gets or sets the passing style (by value, out or ref) of parameters to which this attribute applies.
(Inherited from MulticastAttribute.)
Public propertyAttributeTargetParameters
Gets or sets the expression specifying to which parameters this instance applies.
(Inherited from MulticastAttribute.)
Public propertyAttributeTargetTypeAttributes
Gets or sets the visibilities of types to which this attribute applies.
(Inherited from MulticastAttribute.)
Public propertyAttributeTargetTypes
Gets or sets the expression specifying to which types this instance applies.
(Inherited from MulticastAttribute.)
Public propertyErrorMessage
Gets or sets the error message formatting string.
(Inherited from LocationContractAttribute.)
Public propertyMaximumLength
Gets the maximum length.
Public propertyMinimumLength
Gets the minimum length.
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Extension Methods
  NameDescription
Public Extension MethodQueryInterface<T>
Gets the implementation of a specified interface for the specified object.
(Defined by QueryInterfaceExtensions.)
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Remarks

Depending on supplied constructor arguments, one of the following holds:

  • if there is no minimum specified, then the error message is identified by StringLengthMaxErrorMessage and can use additional argument

    Field Value

    Type: 
    {4} to refer to the maximum value specified,
  • or if there is maximum is equal to MaxValue, then the error message is identified by StringLengthMinErrorMessage and can use additional argument

    Field Value

    Type: 
    {4} to refer to the minimum value specified,
  • otherwise, the error message is identified by StringLengthRangeErrorMessage and can use additional arguments

    Field Value

    Type: 
    {4} to refer to the minimum value specified and

    Field Value

    Type: 
    {5} to refer to the maximum value specified.

See Also