Attribute.GetCustomAttribute(Type t, Type tR); : Attribute « System « C# / C Sharp by API

1. C# / C Sharp by API
2. System
3. Attribute

Attribute.GetCustomAttribute(Type t, Type tR);

 

using System;  
using System.Reflection; 
  
[AttributeUsage(AttributeTargets.All)] 
public class MyAttribute : Attribute { 
  public string remark;
 
  public string supplement; 
 
  public MyAttribute(string comment) { 
    remark = comment; 
    supplement = "None"; 
  } 
 
  public string Remark { 
    get { 
      return remark; 
    } 
  } 
}  
 
[MyAttribute("This class uses an attribute.", 
                 supplement = "This is additional info.")] 
class UseAttrib { 
} 
 
class MainClass {  
  public static void Main() {  
    Type t = typeof(UseAttrib); 
 
    Console.Write("Attributes in " + t.Name + ": "); 
 
    object[] attribs = t.GetCustomAttributes(false);  
    foreach(object o in attribs) { 
      Console.WriteLine(o); 
    } 
 
    // Retrieve the MyAttribute. 
    Type tRemAtt = typeof(MyAttribute); 
    MyAttribute ra = (MyAttribute) 
          Attribute.GetCustomAttribute(t, tRemAtt); 
 
    Console.Write("Remark: "); 
    Console.WriteLine(ra.remark); 
 
    Console.Write("Supplement: "); 
    Console.WriteLine(ra.supplement); 
  }  
}

   
  

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