by: C. N. Sridhar |
last post by:
Hi,
I'm writing a wrapper to a win32 dll in C#. I need to call
a method in DLL which has a Variant type reference
parameter.
How to marshal variant type from win32 (unmanaged code)
to C#...
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by: PHil Coveney |
last post by:
Hello,
I am having difficulty marshalling structures when calling DeviceIoControl.
I am importing this Win32 function as
static extern int DeviceIoControl (int hDevice,
int...
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by: Dave |
last post by:
I wish to call a COM Object which has a parameter of type VARIANT* on
a method call from C#
The COM Method :-
STDMETHODIMP CClassType::GetTypeIDs(VARIANT * TypeIDs)
{...
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by: MuZZy |
last post by:
Hello,
I am probably facing a sort of language barrier, but i can't really get what
'marshalling' is in terms of .NET
Is it a kind of type casting? And when do you use it?
Thank you,
Andrey
|
by: Rookie |
last post by:
Hi,
I had a question on DllImport. On importing a function from a VC++ dll
using DllImport (to a C# program), the function argument data types
and the return types may be of a type that is not...
|
by: Andrew S. Giles |
last post by:
Helo all,
I have a standalone unmanaged C++ application that makes a call on another
standalone COM server, which raises an event that should be handled in C#.
I am trying to send: unsigned...
|
by: BartMan |
last post by:
Greetings,
When working with managed c++, do you have to do anything special when going
from simple types from managed to unmanaged and vice versa. Or is
marshalling handled automatically for...
|
by: GianPiero Andreis |
last post by:
Hello All,
let me pose a simple question about combobox and the CB_INSERTSTRING
message.
Suppose for instance that I already have a combobox handle, how can I
declare and use the SendMessage...
|
by: WTH |
last post by:
....and you get safe array type mismatch exceptions from the marshaller.
I have a C++ COM object (thank God I could find the source) that was
declared properly in the IDL for and requiring a...
|
by: calenlas |
last post by:
Hi all,
I'm taking my first steps into C# <--C++ DLL Interop and
unfortunately I've run into (what seems to be) a very complicated case
as my first task. Perhaps someone here can help me.
I...
|
by: DolphinDB |
last post by:
Tired of spending countless mintues downsampling your data? Look no further!
In this article, you’ll learn how to efficiently downsample 6.48 billion high-frequency records to 61 million...
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by: ryjfgjl |
last post by:
ExcelToDatabase: batch import excel into database automatically...
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by: isladogs |
last post by:
The next Access Europe meeting will be on Wednesday 6 Mar 2024 starting at 18:00 UK time (6PM UTC) and finishing at about 19:15 (7.15PM).
In this month's session, we are pleased to welcome back...
|
by: Vimpel783 |
last post by:
Hello!
Guys, I found this code on the Internet, but I need to modify it a little. It works well, the problem is this: Data is sent from only one cell, in this case B5, but it is necessary that data...
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by: jfyes |
last post by:
As a hardware engineer, after seeing that CEIWEI recently released a new tool for Modbus RTU Over TCP/UDP filtering and monitoring, I actively went to its official website to take a look. It turned...
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by: ArrayDB |
last post by:
The error message I've encountered is; ERROR:root:Error generating model response: exception: access violation writing 0x0000000000005140, which seems to be indicative of an access violation...
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by: CloudSolutions |
last post by:
Introduction:
For many beginners and individual users, requiring a credit card and email registration may pose a barrier when starting to use cloud servers. However, some cloud server providers now...
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by: Shællîpôpï 09 |
last post by:
If u are using a keypad phone, how do u turn on JavaScript, to access features like WhatsApp, Facebook, Instagram....
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by: Faith0G |
last post by:
I am starting a new it consulting business and it's been a while since I setup a new website. Is wordpress still the best web based software for hosting a 5 page website? The webpages will be...
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