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New Message on BDOTNET
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From: Clouds
Message 2 in Discussion
If you have msdn documentation installed on ur machine plz check this link
ms-help://MS.VSCC.2003/MS.MSDNQTR.2003FEB.1033/cpref/html/frlrfSystemWebServi
cesProtocolsLogicalMethodInfoClassGetCustomAttributeTopic.htm
(mind well its a link from msdn 2003 collection)
for you reference i m pasting the code as it is..
using System;
using System.Reflection;
using System.Web.Services.Protocols;
// Define a custom attribute with one named parameter.
[AttributeUsage(AttributeTargets.Method | AttributeTargets.ReturnValue,
AllowMultiple=true)]
public class MyAttribute : Attribute
{
private string myName;
public MyAttribute(string name)
{
myName = name;
}
public string Name
{
get
{
return myName;
}
}
}
public class MyService
{
[MyAttribute("This is the first sample attribute")]
[MyAttribute("This is the second sample attribute")]
[return: MyAttribute("This is the return sample attribute")]
public int Add(int xValue, int yValue)
{
return (xValue + yValue);
}
}
public class LogicalMethodInfo_GetCustomAttribute
{
public static void Main()
{
Type myType = typeof(MyService);
MethodInfo myMethodInfo = myType.GetMethod("Add");
// Create a synchronous 'LogicalMethodInfo' instance.
LogicalMethodInfo myLogicalMethodInfo =
(LogicalMethodInfo.Create(new MethodInfo[] {myMethodInfo},
LogicalMethodTypes.Sync))[0];
// Display the method for which the attributes are being displayed.
Console.WriteLine("\nDisplaying the attributes for the method : {0}\n",
myLogicalMethodInfo.MethodInfo);
// Displaying a custom attribute of type 'MyAttribute'
Console.WriteLine("\nDisplaying attribute of type 'MyAttribute'\n");
object attribute =
myLogicalMethodInfo.GetCustomAttribute(typeof(MyAttribute));
Console.WriteLine(((MyAttribute)attribute).Name);
// Display all custom attribute of type 'MyAttribute'.
Console.WriteLine("\nDisplaying all attributes of type
'MyAttribute'\n");
object[] attributes =
myLogicalMethodInfo.GetCustomAttributes(typeof(MyAttribute));
for(int i = 0; i < attributes.Length; i++)
Console.WriteLine(((MyAttribute)attributes[i]).Name);
// Display all return attributes of type 'MyAttribute'.
Console.WriteLine("\nDisplaying all return attributes of type
'MyAttribute'\n");
ICustomAttributeProvider myCustomAttributeProvider =
myLogicalMethodInfo.ReturnTypeCustomAttributeProvider;
if(myCustomAttributeProvider.IsDefined(typeof(MyAttribute), true))
{
attributes = myCustomAttributeProvider.GetCustomAttributes(true);
for(int i = 0; i < attributes.Length; i++)
if(attributes[i].GetType().Equals(typeof(MyAttribute)))
Console.WriteLine(((MyAttribute)attributes[i]).Name);
}
// Display all the custom attributes of type 'MyAttribute'.
Console.WriteLine("\nDisplaying all attributes of type
'MyAttribute'\n");
myCustomAttributeProvider =
myLogicalMethodInfo.CustomAttributeProvider;
if(myCustomAttributeProvider.IsDefined(typeof(MyAttribute), true))
{
attributes = myCustomAttributeProvider.GetCustomAttributes(true);
for(int i = 0; i < attributes.Length; i++)
if(attributes[i].GetType().Equals(typeof(MyAttribute)))
Console.WriteLine(((MyAttribute)attributes[i]).Name);
}
}
}
Regds
Badal
-----Original Message-----
From: Deepblue21281 [mailto:[EMAIL PROTECTED]
Sent: Sun 04/07/2004 13:51
To: BDOTNET
Cc:
Subject: Fetching the Custom Attribute Name
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parent=1&item=18113> Message 1 in Discussion
From: Deepblue21281
<http://groups.msn.com/BDOTNET/profile?user=Deepblue21281%E2%9C%93>
Dear Friend,
I have small problem, as in my program i have created custom attribute. and i
put this in a dll file and in the another file where i have set the
refereance to this dll file.
But finding problem in fetching the name of the custom attribute. Pls help me
. I am adding the code :-
This is the dll file code
=================
using System;
using System.Diagnostics ;
namespace CustomAttribute1
{
[AttributeUsage(AttributeTargets.Method)]
public class AuthorAttribute : Attribute
{
private string name;
public AuthorAttribute(string aName)
{
this.name = aName;
}
}
class CustomAttribute
{
[Author("Mr. Pankaj")]
public static string show()
{
return " Microsoft";
}
}
}
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