Gets all the custom attributes defined on this parameter. : ParameterInfo « Reflection « C# / C Sharp

1. C# / C Sharp
2. Reflection
3. ParameterInfo

Gets all the custom attributes defined on this parameter.

  

using System;
using System.Reflection;

[AttributeUsage(AttributeTargets.Parameter)]
public class MyAttribute : Attribute
{
    private string myName;
    public MyAttribute(string name)
    {
        myName = name;
    }
    public string Name 
    {
        get 
        {
            return myName;
        }
    }
}
public class MyClass1
{
    public void MyMethod([MyAttribute("This is an example parameter attribute")]int i)
    {
        return;
    }
}

public class MemberInfo_GetCustomAttributes 
{
    public static void Main()
    {
        Type myType = typeof(MyClass1);
        MethodInfo[] myMethods = myType.GetMethods();
        for(int i = 0; i < myMethods.Length; i++)
        {
            ParameterInfo[] myParameters = myMethods[i].GetParameters();
            if (myParameters.Length > 0)
            {
                Console.WriteLine(myMethods[i]);
                for(int j = 0; j < myParameters.Length; j++)
                {
                    Object[] myAttributes = myParameters[j].GetCustomAttributes(typeof(MyAttribute), false);
                    if (myAttributes.Length > 0)
                    {
                        Console.WriteLine(myParameters[j].Position);
                        Console.WriteLine(myParameters[j].Name);
                        Console.WriteLine(myParameters[j].ParameterType);
                        for(int k = 0; k < myAttributes.Length; k++)
                        {
                            Console.WriteLine("\t{0}", myAttributes[k]);
                        }
                    }
                }
            }
        }  
    }
}

   
    
  

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