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by: Aaron Anodide |
last post by:
I ran into a wierd problem today where a case of circular includes caused my
build to completely break. All my classes are spit out by a class wizard
with "#pragma once" in the header. I thought this was equiv with the
standard #ifndef scheme.
Anyway, instead of figuring out exactly what went wrong (because after an
hour all I can come up with is there was a cycle), I decided to use forward
declarations, so everywhere I used to have:...
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by: Bob Rock |
last post by:
Hello,
in the last few days I've made my first few attempts at creating mixed C++
managed-unmanaged assemblies and looking aftwerwards with ILDASM at what is
visible in those assemblies from a managed point-of-view I've noticed that:
1) for each managed and unmanaged C function (not C++ classes) I get a
public managed static method (defined on a 'Global Functions' class) in the
generated assembly with an export name of the form...
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by: Eric Twietmeyer |
last post by:
Hello,
I'm starting to investigate cs, managed c++ and interoperating with a very
large unmanaged code base. We are going to use Windows Forms (written in
cs) to replace our old fashioned GUI. The guts will remain in unmanaged
c++. So I need to write public managed c++ wrapper classes for the couple
of interfaces the unmanaged stuff needs to expose for the GUI.
Questions:
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by: Chris Kiechel |
last post by:
I am writing a .NET Windows application and it needs to
perform DDE calls to a legacy system. I created a C++
unmanaged class that performs the actual DDE connection
and communication. However, I need .NET to instantiate
this object and somehow allow the this object to callback
to .NET. So, my question is:
1. How can a managed class instantiate and unmanaged
class?
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by: Libertadrian |
last post by:
Hi again,
Maybe I missed something, but I cannot do a forward declaration in managed
C++.
By doing:
namespace Namespace
{
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by: Troy |
last post by:
Hi,
I am working on a mixed native/managed project involving DirectShow and am
trying to decide how the modules should be partitioned. I am trying to
understand the true affect of #pragma unmanaged in a managed project. From my
research it seems that, assuming there are no managed/native thunks involved,
the code should perform as though it were compiled in a native Win32 project.
However, as a simple test, I created a project that...
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by: Steve |
last post by:
Can anyone explain why C++ .NET compiler throws error for the following code
segment:
// Forward declaration of ListViewItemComparer class
public __gc class ListViewItemComparer ;
public __gc class CProgramLoaderForm : public System::Windows::Forms::Form
{
ListViewItemComparer* m_ListViewItemComparer ;
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by: Gustavo L. Fabro |
last post by:
Greetings!
Going directly to the point:
myclass.h:
//--------------------------------------
#pragma managed
//Forward declaration
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by: Koliber (js) |
last post by:
sorry for my not perfect english
i am really f&*ckin angry
in this common pattern about dispose:
//////////////////////////////////////////////////////////
Public class MyClass:IDisposable
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert into image.
Globals.ThisAddIn.Application.ActiveDocument.Select();...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...
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