Read & WriteMemoryProcess (Adress Space) Problem

[Alex]

Seems that those functions can't read from or write to any address beyond 2GB
(7FFFFFFF in hexa). when trying to access addresses beyond 2GB nothing
happens - no action and no exception either.
i am on 32 bit system, but i am using an Unsigned Integer poiter (UIntPtr)
so i Should be able to access 2GB-4GB adresses, except i don't.
the functions just dont work. what do i need to do to make it work?
thanks.

[Cor Ligthert [MVP]]

Re: Read & WriteMemoryProc ess (Adress Space) Problem

Alex,

Have a look at this info,

http://msdn.microsoft.com/library/de...598a92.xml.asp

I hope this helps,

Cor

"Alex" <Alex@discussio ns.microsoft.co mschreef in bericht
news:5ADB5CF9-264F-4889-B7F9-591E07035525@mi crosoft.com...

Seems that those functions can't read from or write to any address beyond
2GB
(7FFFFFFF in hexa). when trying to access addresses beyond 2GB nothing
happens - no action and no exception either.
i am on 32 bit system, but i am using an Unsigned Integer poiter (UIntPtr)
so i Should be able to access 2GB-4GB adresses, except i don't.
the functions just dont work. what do i need to do to make it work?
thanks.

[Alex]

Re: Read &amp; WriteMemoryProc ess (Adress Space) Problem

quoted: "On Windows, by default, the lower 2 GB are reserved for user-mode
programs and the upper 2 GB are reserved for kernel-mode programs" - it is
those upper 2GB i need to access. in C++.NET using WriteMemoryProc ess() i can
access them but in VB.NET it can't - this is my problem.


"Cor Ligthert [MVP]":

Alex,
>
Have a look at this info,
>
http://msdn.microsoft.com/library/de...598a92.xml.asp
>
I hope this helps,
>
Cor
>
"Alex" <Alex@discussio ns.microsoft.co mschreef in bericht
news:5ADB5CF9-264F-4889-B7F9-591E07035525@mi crosoft.com...

Seems that those functions can't read from or write to any address beyond
2GB
(7FFFFFFF in hexa). when trying to access addresses beyond 2GB nothing
happens - no action and no exception either.
i am on 32 bit system, but i am using an Unsigned Integer poiter (UIntPtr)
so i Should be able to access 2GB-4GB adresses, except i don't.
the functions just dont work. what do i need to do to make it work?
thanks.

>
>
>