в 15:31, 26 мая 2010

2010-05-26T15:31:53Z

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2010-05-26T12:17:50Z

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==Get Custom Attributes==

<source lang="csharp">using System;
using System.Reflection;
class Program {
static void Main(string[] args) {
string assemblyName = "Your";
try {
Assembly a = Assembly.LoadFrom(assemblyName);
object[] attributes = a.GetCustomAttributes(true);
if (attributes.Length > 0) {
Console.WriteLine("Assembly attributes for "{0}"...", assemblyName);
foreach (object o in attributes)
Console.WriteLine(" {0}", o.ToString());
} else
Console.WriteLine("Assembly {0} contains no Attributes.", assemblyName);
} catch (Exception ex) {
Console.WriteLine(ex.ToString());
}
}
}</source>

==Using Reflection to get Custom Attributes==

<source lang="csharp">using System;
using System.Collections.Generic;
using System.Text;
[AttributeUsage(AttributeTargets.Class |
AttributeTargets.Constructor |
AttributeTargets.Field |
AttributeTargets.Method |
AttributeTargets.Property,
AllowMultiple = true)]
public class BugFixAttribute : System.Attribute
{
public BugFixAttribute(int bugID,string programmer,string date){
this.BugID = bugID;
this.Programmer = programmer;
this.Date = date;
}
public int BugID;
public string Date;
public string Programmer;
public string Comment { get; set; }
}
[BugFixAttribute(1, "A", "01/04/05",Comment = "value")]
public class MyMath{
public double DoFunc1(double param1)
{
return param1 + DoFunc2(param1);
}
public double DoFunc2(double param1)
{
return param1 / 3;
}
}
public class Tester
{
public static void Main()
{
MyMath mm = new MyMath();
System.Reflection.MemberInfo inf = typeof(MyMath);
object[] attributes;
attributes = inf.GetCustomAttributes(typeof(BugFixAttribute), false);
foreach (Object attribute in attributes)
{
BugFixAttribute bfa = (BugFixAttribute)attribute;
Console.WriteLine("\nBugID: {0}", bfa.BugID);
Console.WriteLine("Programmer: {0}", bfa.Programmer);
Console.WriteLine("Date: {0}", bfa.Date);
Console.WriteLine("Comment: {0}", bfa.rument);
}
}
}</source>

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Csharp/CSharp Tutorial/Reflection/Attributes - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия