Attribute Constructor ()

 
System_CAPS_noteNote

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Initializes a new instance of the Attribute class.

Namespace:   System
Assembly:  mscorlib (in mscorlib.dll)

protected:
Attribute()

This constructor is only called by classes that derive from Attribute.

The following code example shows the definition of a custom parameter Attribute class with its constructor.

// Define a custom parameter attribute that takes a single message argument.

[AttributeUsage(AttributeTargets::Parameter)]
public ref class ArgumentUsageAttribute: public Attribute
{
protected:

   // usageMsg is storage for the attribute message.
   String^ usageMsg;

public:

   // This is the attribute constructor.
   ArgumentUsageAttribute( String^ UsageMsg )
   {
      this->usageMsg = UsageMsg;
   }


   property String^ Message 
   {
      // This is the Message property for the attribute.
      String^ get()
      {
         return usageMsg;
      }

      void set( String^ value )
      {
         this->usageMsg = value;
      }
   }
};

Universal Windows Platform
Available since 8
.NET Framework
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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