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41 lines
1.9 KiB
41 lines
1.9 KiB
5 years ago
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#if NET20 || NET30 || NET35 || NET40 || !NET_4_6
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namespace System.Runtime.CompilerServices
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{
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/// <summary>
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/// Allows you to obtain the method or property name of the caller to the method.
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/// </summary>
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/// <remarks>
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/// You apply the <b>CallerMemberName</b> attribute to an optional parameter that has a default value.
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/// You must specify an explicit default value for the optional parameter.
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/// You can't apply this attribute to parameters that aren't specified as optional.
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/// <para/>
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/// You can use the <b>CallerMemberName</b> attribute to avoid specifying the member name as a <b>String</b> argument to the called method.
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/// By using this technique, you avoid the problem that <b>Rename Refactoring</b> doesn't change the <b>String</b> values.
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/// This is especially useful for the following tasks:
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/// <list type="bullet">
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/// <item>
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/// Using tracing and diagnostic routines.
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/// </item>
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/// <item>
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/// Implementing the <see cref="System.ComponentModel.INotifyPropertyChanged"/> interface when binding data.
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/// This interface allows the property of an object to notify a bound control that the property has changed,
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/// so that the control can display the updated information.
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/// Without the CallerMemberName attribute, you must specify the property name as a literal.
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/// </item>
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/// </list>
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/// </remarks>
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[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
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public sealed class CallerMemberNameAttribute : Attribute
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{
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[TargetedPatchingOptOut("Performance critical to inline this type of method across NGen image boundaries")]
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public CallerMemberNameAttribute()
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{
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// Empty
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// This constructor is not redundant
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// You cannot put attributes on the default constructor
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}
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}
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}
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#endif
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