Parameter "ReturnLength" always "0" when NtQuerySystemInformation is called,...
Sat, 23 Aug 2008 23:23:59 +0200
Hi,
the topic says all. I use this code from C# to call the
NtQuerySystemInformation.
When i call NtQuerySystemInformation the first time with zero buffer length
to
get the buffer size needed for the information i get a
STATUS_INFO_LENGTH_MISMATCH
which is -1073741820 in number, this is ok, but why does the ...
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Calling C API from C#
Thu, 21 Aug 2008 18:34:27 -0500
I have been battling an API call for days with no luck. The API information
and my code is below. When I call it I get an IllegalOperation exception
saying something like there was an error writing to invalid memory. I have
tried different things including making the return value an IntPtr and
changing ca ...
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IExtractImage Interface
Wed, 20 Aug 2008 04:46:01 -0700
I want to display thumbnails of PNG files in a file manager app running
under XP Pro x64.
In a directory of 1003 files using Image.FromFile takes around 38 seconds.
I managed to find a couple of examples of IExtractImage and have adapted
them for my app. However, it sometimes works and sometimes doesn't w ...
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Verifying uniqueness of office files in asp.net c#
Tue, 19 Aug 2008 12:14:33 -0700 (PDT)
Hi everybody!
I have been trying to make this scenario work (excuse my english, it's
been a while since I've wrote technical english):
I have a site, you can download Excel files from it, then the user can
modify those, and for the last the user can upload it. So far so good,
this is pretty easy, and I have n ...
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Passing variant* to COM DLL from C#
Mon, 18 Aug 2008 21:49:00 -0700
I have a COM component whose function signature has variant *.
I need to pass variant * from C#.
Actually the data which I need to pass from C# is in byte[] format.
Please let me know how to pass byte[] from C# as varaint * to COM ...
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RegFree COM - failing when .net dll using com is loaded dynamically?
Fri, 15 Aug 2008 16:12:12 -0700 (PDT)
We have a project that uses web security & AD integration. We are
trying to get AZMAN (azroles.dll) deployed in a reg-free way, since we
need it as our role provider. Our solution/build works if azroles.dll
is registered on the client beforehand.
Here is the basic structure:
1) Multi-solution main project
...
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Get Active Desktop Window
Thu, 14 Aug 2008 08:04:01 -0700
I'm not sure if this is the right discussion group, but here is what I need
to do and I'm not sure where to start.
I have a windows service that needs to "monitor" the desktop and log
everytime a new window get's focus. Once I capture the event, I'll have to
look at the title and perform some business rules.
...
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Deployment .NET assemblies to client machine
Wed, 13 Aug 2008 00:08:35 -0700 (PDT)
Dear all,
I am developing a numerical library to be used by both .NET and COM
(i.e., VBA) clients. The development tools used is VB.NET 2008 Express
edition.
I was successfully to build the .NET library callable from Excel VBA.
Here are the steps I performed:
1) Build the strong-name COM-visible .NET lib ...
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Using the Config file in an ActiveX Control
Mon, 11 Aug 2008 08:02:06 -0700 (PDT)
I have created an ActiveX control. I have not been able to get the
appsettings from the config file. I used the debugging container and
in IE. Both I could not get the config settings. Also, on the
server, do you have to do anything special so it knows where to config
file is
...
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Sat, 09 Aug 2008 19:35:19 -0700
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