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when i use csocket class in manged code
like
CSocket *ptr=new CSocket();
but when i execute if(ptr->Create(port)) it return false.i did not know why it return false can any body tell me i will be very thank full to u.
r00d0034@yahoo.com
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Hi,
I had posted this earlier here, but got no response.
I am trying my luck again (by changing the Subject Line...;))
I have a User Control (created using Man C++)
When I try to place this Control on a form, the Form Designer throws an Exception( 0x80131019).
And I am not allowed to place the control on the form.
This happens when the CopyLocal Property of the Reference is True.
But if I change the CopyLocal property to False,
the Designer wholeheartedly accepts the Conrtrol.
The Form Designer doesnt behave this way with controls made using C# or VB.Net.
Can someone please tell me what difference does CopyLocal property
make to the Form Designer ?
Why does this happen only with Controls created in Managed Cpp?
My control does nothing extraordinary, but just some Drawings in the OnPaint().
Please, somebody Help me.....
Thanks,
Firoz
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Your assembly needs to be registered in the GAC. To do this it first needs a "strong name", sort of like a GUID.
Use SN.exe to generate a strong-name key file. In your AssemblyInfo.cpp file, specify the key file as a parameter to the AssemblyKeyFileAttribute() attribute. Rebuild your assembly.
Now use Gacutil.exe to register the assembly in the GAC. This step can be done in a custom-build-step if desired.
This posting is provided “AS IS” with no warranties, and confers no rights. You assume all risk for your use. © 2001 Microsoft Corporation. All rights reserved.
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how can i make a button control and when it is clicked have the button stay pressed in until its clicked again??? 
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Use a CheckBox and set the Appearance property to Appearance.Button.
James
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Hey coders....
Okay I am just trying to create an instance from HWND and it won't let me.
ie.
<br />
using namespace System;<br />
#using <mscorlib.dll> <br />
<br />
public _gc class COO<br />
{<br />
HWND m_hwnd;<br />
public:<br />
COO(HWND hwnd)<br />
:m_hwnd(hwnd)<br />
{}<br />
};
When I hover over HWND it gives me (typedef HWND__ *HND) so I assume it is recognizing it but for some reason I can't use it....
If anyone could tell me why and how to get around this it would be much appreciated. Thanks... 
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anyone know of a way to add a hyperlink to a form that opens a URL when clicked??
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The Visual C6's resource management really stinks the joint. Is it any better in .NET based on your experiences? I have been working on a multiple project workspace(about 25 projects in a workspace) and more often than not the dialog boxes give you a headache. Is it any better in .NET?
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how could i unzip .zip files to a user entered dir in mc++
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The same way you do it in regular C++, find or write a ZIP unpacking library and use it. Not much of an answer but its the truth 
There are various ZIP libraries out there; one is available at icsharpcode.net[^] according to the site it is GPL'd but the site also says at the bottom that you can use it in a closed-source app.
James
"Java is free - and worth every penny." - Christian Graus
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James' solution is of course the correct way, but if you (like me  ) are lazy, you can instead just download Info-Zip and spawn it to do your bidding. Less flexible, and not completely .NET of course, but still a useful technique if your needs are modest...
---
Shog9
If I could sleep forever, I could forget about everything...
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Hi,
I created a CustomConrol using ManagedC++.
This Control is Used in a C# Application.
When I Drop/Draw this Control to a Form, I get an error message
"Exception from HRESULT : 0x80131019".
But when I set the CopyLocal property of the Reference to False,
the Control is properly Drawn.
Why does this happen.
Why it gives Error when CopyLocal is True?
What does the Error code (0x80131019) mean ?
(I was not able to find this HRESULT Code in WinError.h)
Thanks,
FiroZ
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Can any body help me!!!
This function is generating a compilation error
'System.Runtime.InteropServices.UnmanagedType.LPWStr' denotes a 'field' where a 'class' was expected
unsafe void IcmParse(string subXML,ref string resultXML)
{
UnmanagedType.LPWStr result = (UnmanagedType.LPWStr)Marshal.StringToHGlobalAuto(resultXML);
int arraycount =0;
IcmSessionManager.LoadAndParse (subXML,result,ref arraycount);
}
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Hi,
Is it possible to create a UserControl in Managed C++?
Can someone please tell me the Steps.
Thanks,
FiroZ
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Does SetItemData put hidden information in ? I don't recall seeing anything similar to that. I know for items that are visible you need to create a new instance of an item or subitem and then pass it in, but I don't think it has a data field.
Christian
We're just observing the seasonal migration from VB to VC. Most of these birds will be killed by predators or will die of hunger. Only the best will survive - Tomasz Sowinski 29-07-2002 ( on the number of newbie posters in the VC forum )
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Blast!!!
Say I have a listbox with the following stuff
apple
orange
grapes
orange
banana
apple
Notice how apple and orange appear twice.
Now to internally differentiate these items [because they are the textual casts of a more complex actual object] I'd need to associate an id with each.
apple [ap1]
orange [or1]
grapes [grp]
orange [or45]
banana [bnna]
apple [ap6]
See?
How do I do that???
Regards
Nish
p.s. The intention is this. If the guy has selected an item that appears multiple times, I should be able to get the id associated with it!
Author of the romantic comedy
Summer Love and Some more Cricket [New Win]
Review by Shog9
Click here for review[NW]
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Dude, what's with the large fonts? Don't tell me your vision is going now...
---
Shog9
If I could sleep forever, I could forget about everything...
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Shog9 wrote:
Dude, what's with the large fonts? Don't tell me your vision is going now...
Alright, alright! I am not allowed to feed the lions, I am not allowed to sing aloud. Other people get to use big fonts, I never get to do anything. I am sulking. Hey, I tho I tho a puthy cath...... I deedh, I deedh tho a puthy cath...
[Sigh] This list box issue is frustrating me Shog 
Author of the romantic comedy
Summer Love and Some more Cricket [New Win]
Review by Shog9
Click here for review[NW]
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Hey, it's ok by me if you want to feed the lions.
Nishant S wrote:
Hey, I tho I tho a puthy cath...... I deedh, I deedh tho a puthy cath
What?!? (w0t) *you're* Tweety now?
Nishant S wrote:
This list box issue is frustrating me
Admittedly, i know nothing about anything, but - can't you just create a class containing two data items, add a toString member, & be done with it? Should still be fairly concise i should think. Or am i missing the point.
---
Shog9
If I could sleep forever, I could forget about everything...
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