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April 19th, 2012, 04:01 AM
#1
instanciate an unmanaged class in a Winfows Form
Hello,
I like to use an unmanaged class in a Windows Form, when including its header, and entring the following code
Code:
#pragma endregion
private: PacketAfdx *P;
private: System::Void Form1_Load(System::Object^ sender, System::EventArgs^ e)
{
P->traficCapture();
}
I have this error message
Code:
c:\program files\microsoft sdks\windows\v7.0a\include\servprov.h(96): error C2872: 'IServiceProvider' : ambiguous symbol
1> could be 'c:\program files\microsoft sdks\windows\v7.0a\include\servprov.h(53) : System::IServiceProvider IServiceProvider'
1> or 'c:\program files\reference assemblies\microsoft\framework\.netframework\v4.0\mscorlib.dll : System::IServiceProvider'
1>c:\program files\microsoft sdks\windows\v7.0a\include\servprov.h(96): error C3699: '*' : cannot use this indirection on type 'IServiceProvider'
1> compiler replacing '*' with '^' to continue parsing
1>c:\program files\microsoft sdks\windows\v7.0a\include\servprov.h(103): error C2371: 'IServiceProvider' : redefinition; different basic types
1> c:\program files\microsoft sdks\windows\v7.0a\include\servprov.h(53) : see declaration of 'IServiceProvider'
1>c:\program files\microsoft sdks\windows\v7.0a\include\servprov.h(120): error C2872: 'IServiceProvider' : ambiguous symbol
1> could be 'c:\program files\microsoft sdks\windows\v7.0a\include\servprov.h(103) : IServiceProvider'
1> or 'c:\program files\reference assemblies\microsoft\framework\.netframework\v4.0\mscorlib.dll : System::IServiceProvider'
1>c:\program files\microsoft sdks\windows\v7.0a\include\servprov.h(241): error C2872: 'IServiceProvider' : ambiguous symbol
1> could be 'c:\program files\microsoft sdks\windows\v7.0a\include\servprov.h(103) : IServiceProvider'
1> or 'c:\program files\reference assemblies\microsoft\framework\.netframework\v4.0\mscorlib.dll : System::IServiceProvider'
1>c:\program files\microsoft sdks\windows\v7.0a\include\servprov.h(251): error C2872: 'IServiceProvider' : ambiguous symbol
1> could be 'c:\program files\microsoft sdks\windows\v7.0a\include\servprov.h(103) : IServiceProvider'
1> or 'c:\program files\reference assemblies\microsoft\framework\.netframework\v4.0\mscorlib.dll : System::IServiceProvider'
1>c:\Program Files\Microsoft SDKs\Windows\v7.0A\include\urlmon.h(6459): error C2872: 'IServiceProvider' : ambiguous symbol
1> could be 'c:\program files\microsoft sdks\windows\v7.0a\include\servprov.h(103) : IServiceProvider'
1> or 'c:\program files\reference assemblies\microsoft\framework\.netframework\v4.0\mscorlib.dll : System::IServiceProvider'
1>c:\Program Files\Microsoft SDKs\Windows\v7.0A\include\urlmon.h(6461): error C2872: 'IServiceProvider' : ambiguous symbol
1> could be 'c:\program files\microsoft sdks\windows\v7.0a\include\servprov.h(103) : IServiceProvider'
1> or 'c:\program files\reference assemblies\microsoft\framework\.netframework\v4.0\mscorlib.dll
Please how can I use my unmanaged class?
Thanks
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April 19th, 2012, 06:45 AM
#2
Re: instanciate an unmanaged class in a Winfows Form
Does this help: http://social.msdn.microsoft.com/For...b-e8d895a9faec? (It was the first hit of an MSDN search for servprov.h.  )
I was thrown out of college for cheating on the metaphysics exam; I looked into the soul of the boy sitting next to me.
This is a snakeskin jacket! And for me it's a symbol of my individuality, and my belief... in personal freedom.
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April 19th, 2012, 10:22 AM
#3
Re: instanciate an unmanaged class in a Winfows Form
Non ça n'a pas marché le meme erreur persiste 
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April 19th, 2012, 10:24 AM
#4
Re: instanciate an unmanaged class in a Winfows Form
I'm very sorry for using French;
My error still exist after changes entring following you link
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