473,385 Members | 1,661 Online
Bytes | Software Development & Data Engineering Community
Post Job

Home Posts Topics Members FAQ

Join Bytes to post your question to a community of 473,385 software developers and data experts.

Variant to Object Marshaling

I need to pass VARIANTs from unmanaged C++ to VB.NET. VARIANTS may
contain arrays as well as simple types.

Is there a standard Marshaling way of doing this or will I have to
implement it myself?

Jemar
Nov 20 '05 #1
0 955

This thread has been closed and replies have been disabled. Please start a new discussion.

Similar topics

1
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#...
2
by: ZhangZQ | last post by:
If I have a method in an OCX, the definition is void Test1(VARIANT* a); After I add reference to this OCX in Visual studio .net, it generates 2 dlls, and I look at the object browser, the...
5
by: VM | last post by:
What's marshalling? I've had to use it extensively for a project but I don't know what it means. I tried to look for a definition in the Internet but I couldn't find anything that would explain...
19
by: Jon Davis | last post by:
Hi guys! Just wanted to let you all know that I created a Variant structure, inspired by the old VB6 days. This is written in C#, but you can build a CLR/.NET class library assembly and reference...
7
by: Martin Robins | last post by:
I am currently looking to be able to read information from Active Directory into a data warehouse using a C# solution. I have been able to access the active directory, and I have been able to return...
0
by: dwinson | last post by:
I am writing an add-in in C# for a server written in VB6. In order for my add-in to work I need to implement this method: MyMethod(string inputData) .... so my C# code looks like this: ...
2
by: Heike | last post by:
Hello everybody, I have a Problem with C Sharp. I have to use external functions in DLLs. This Functions are written in Visual C++ 6 like this: int (__stdcall *GetGlobalValue) (VARIANT Appl,...
0
by: MikalE | last post by:
I’m using a third-party ActicveX component that has the following description for one of its events: They mean by this that LocationType is an array of VARIANTS (containing enumeration) When...
0
by: swts | last post by:
hi, the following marshaling code gives me an errror of "type packet cannot be marshaled as an unmanaged structure; no meaningful size or offset can be managed". public static byte...
1
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...
0
by: ryjfgjl | last post by:
In our work, we often need to import Excel data into databases (such as MySQL, SQL Server, Oracle) for data analysis and processing. Usually, we use database tools like Navicat or the Excel import...
0
by: Charles Arthur | last post by:
How do i turn on java script on a villaon, callus and itel keypad mobile phone
0
by: aa123db | last post by:
Variable and constants Use var or let for variables and const fror constants. Var foo ='bar'; Let foo ='bar';const baz ='bar'; Functions function $name$ ($parameters$) { } ...
0
by: ryjfgjl | last post by:
If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...
0
by: ryjfgjl | last post by:
In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...
0
by: emmanuelkatto | last post by:
Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud. Please let me know. Thanks! Emmanuel
1
by: nemocccc | last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
0
by: Hystou | last post by:
There are some requirements for setting up RAID: 1. The motherboard and BIOS support RAID configuration. 2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...

By using Bytes.com and it's services, you agree to our Privacy Policy and Terms of Use.

To disable or enable advertisements and analytics tracking please visit the manage ads & tracking page.