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PO
primarykey
Id
338760
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2008-12-03T21:24:44.343
FavoriteCount
0
LastActivityDate
2008-12-03T21:37:28.450
LastEditDate
2008-12-03T21:37:28.450
LastEditorUserId
234
OwnerUserId
234
ParentId
338740
PostTypeId
2
Score
1
ViewCount
0
LastEditorDisplayName
Orion Edwards
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Body
<blockquote> Is there anyone who can show me how to implement a zero argument CreateLog() that gets the name from the subclass and not the declaring class? </blockquote> I don't think you'll be able to do it by looking at the stack frame. While your class is <code>IMReceiver</code>, the call to <code>CreateLog</code> method is in the <code>MessageReceiver</code> class. The stack frame must tell you where the method is being called from, or it wouldn't be any use, so it's always going to say <code>MessageReceiver</code> If you called <code>CreateLog</code> explicitly in your <code>IMReceiver</code> and other classes, then it works, as the stack frame shows the method being called in the derived class (because it actually is). Here's the best thing I can come up with: <pre><code>class BaseClass{ public Log log = Utils.CreateLog(); } class DerivedClass : BaseClass { public DerivedClass() { log = Utils.CreateLog(); } } </code></pre> If we trace creation of logs, we get this: <pre><code>new BaseClass(); # Log created for BaseClass new DerivedClass(); # Log created for BaseClass # Log created for DerivedClass </code></pre> The second 'log created for derived class' overwrites the instance variable, so your code will behave correctly, you'll just be creating a BaseClass log which immediately gets thrown away. This seems hacky and bad to me, I'd just go with specifying the type parameter in the constructor or using a generic. IMHO specifying the type is cleaner than poking around in the stack frame anyway If you can get it without looking at the stack frame, your options expand considerably
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1. POHow do I find the type of the object instance of the caller of the current function?
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1. USOrion Edwards
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1. USOrion Edwards
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1. POHow do I find the type of the object instance of the caller of the current function?
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