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Hi Friends,
I am a newbie in COM based programming. Due to the urgency and after lotz of googling i havenot found any answer so i am posting my doubt in this forum.
1. I want to find out functions in a third - party dll file along which no documentation was provided. I tried out using dependency walker but unable to find out the exact function and parameters resides in that dll. How my requirement can be solved?
2. Is there any software to check whether an exe or dll is COM compatible.
Thanks in Advance. If any forum etiquette is violated guide me.
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#2
Posted 12 August 2010 - 04:55 PM
kresh7
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Programming God
Okay i just wrote a lot and now it's all lost so i will write in a thew lines my help to you.
Read about the EAT - Export Address Table (Table which contains all Functions exported by an DLL or EXE File) for the use of third party app's
A good tool to find this kind information is PEiD gives you even more information about an PE File.
To the params of an function that is exported you need to learn how to debug code.
and for last i wish you good luck and sorry for my bad english
Read about the EAT - Export Address Table (Table which contains all Functions exported by an DLL or EXE File) for the use of third party app's
A good tool to find this kind information is PEiD gives you even more information about an PE File.
To the params of an function that is exported you need to learn how to debug code.
and for last i wish you good luck and sorry for my bad english
#3
Posted 15 August 2010 - 02:27 AM
empireofempires
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- Members
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- 4 posts
Newbie
Thank you kresh.
I am trying out the ideas given by you. Your english is good, no one says it as bad.
Update you after trying out the solutions.
Anyway my actual requirement is, prepaq a compression tool has the dll called packjpg.dll. This packjpg.dll encodes functions that compress JPEG files to a lossless compressed file. I am trying to use it to my testing program that can use the packjpg functions( An excellant encoding algorithm ). When used dependancy walker the name of the function with some extra chars got fetched. I will try out the solution provided by Kresh dude and update this thread.
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Everything is possible
I am trying out the ideas given by you. Your english is good, no one says it as bad.
Update you after trying out the solutions.
Anyway my actual requirement is, prepaq a compression tool has the dll called packjpg.dll. This packjpg.dll encodes functions that compress JPEG files to a lossless compressed file. I am trying to use it to my testing program that can use the packjpg functions( An excellant encoding algorithm ). When used dependancy walker the name of the function with some extra chars got fetched. I will try out the solution provided by Kresh dude and update this thread.
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Everything is possible
#4
Posted 15 August 2010 - 07:53 AM
Ancient Dragon
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- Members
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- 400 posts
Programming Expert
>>When used dependancy walker the name of the function with some extra chars got fetched.
That may or may not have a thing to do with COM. c++ mangles names so that overloaded functions will have unique function names when the linker does its thing with them. This wiki linkexplains it in more detail.
That may or may not have a thing to do with COM. c++ mangles names so that overloaded functions will have unique function names when the linker does its thing with them. This wiki linkexplains it in more detail.
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