Hi,
I am trying to develop an activex control with the .Net by exposing an
interface to the com as described in the following article. http://www.c-sharpcorner.com/UploadF...5-9ae9c15a4ee7.
This works fine for the simple control which is mentioned in the article.Now
I have to read some files on the client machine through this activex.When I
tried to read a file,I got the following error
"Request for the permission of type
System.Security .Permissions.Fi leIOPermission, mscorlib, Version=2.0.0.0 ,
Culture=neutral , PublicKeyToken= b77a5c561934e08 9 failed."
I have googled about it,but could n't find some clear solution.
Can someone help me to get rid of this problem
Thanks,
Usman Ghani 1  6877 
It is very likely that your problem is not related to ActiveX controls.
SecurityExcepti ons are thrown if your code executes in a CAS sandbox and
requires more permissions than it has. There can be many possible reasons:
Your code can be executed in a sandboxed appdomain or it can come from a
partially trusted source. My gut feeling is that your application is started
from a network share, which is a partially trusted source.
Marcus
"Usman Ghani" <us****@hotmail .com> wrote in message
news:OB******** ******@TK2MSFTN GP02.phx.gbl... Hi,
I am trying to develop an activex control with the .Net by exposing an
interface to the com as described in the following article.
http://www.c-sharpcorner.com/UploadF...5-9ae9c15a4ee7.
This works fine for the simple control which is mentioned in the
article.Now I have to read some files on the client machine through this
activex.When I tried to read a file,I got the following error
"Request for the permission of type
System.Security .Permissions.Fi leIOPermission, mscorlib, Version=2.0.0.0 ,
Culture=neutral , PublicKeyToken= b77a5c561934e08 9 failed."
I have googled about it,but could n't find some clear solution.
Can someone help me to get rid of this problem
Thanks,
Usman Ghani
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