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It takes the debugger about 10 seconds to start up when debugging mixed managed and unmanaged C++ code. If I set the debugger to "managed only", the application is launched in less than one second. I noticed that the network is very busy during the launching of the debugger when in mixed mode - is there something I can change to get mixed mode debugging to startup faster? Thanks
Chris Hafey
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I have had the same problem. When mixing managed and unmanaged code the debugger is super slow. Sometimes I get so fed up I use Ctrl-F5 and run it non-debugged
Nish
Author of the romantic comedy
Summer Love and Some more Cricket [New Win]
Buy it, read it and admire me
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I hear you. I am soooo sick of this. I need to find a computer running dual processors!!!
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I'm writting an app in MC++. One of its class is a collection and I don't know what to do to have indexers in C#.
When I disassemble C# code the indexer function is as follow:
get_Item : class System.String(int32)
I tried to add function like this but I didn't work.
Can somebody tell if it's possible.
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Create a property called Item which takes a common parameter in both its set/get functions. ie
__property System::String* get_Item(int index)
{
....
}
__property void set_Item(int index, System::String* value)
{
....
} I don't see anything that lets you create a C# indexer were the class instance can be treated as an array; I assume if you use the Item property name it allows C# to use it as if it were one.
HTH,
James
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I don't work.
C++ function disassembly is
.method public specialname instance string
get_Item(int32 index) cil managed
and C# is
.method public hidebysig specialname instance string
get_Item(int32 index) cil managed
Mayby it's possible to write this function in CLR?
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It appears Indexers created in MC++ only work in MC++ AND you can't create an indexer that operates on a class instance.
I'll look into it more after the hockey game
James
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I'll appreciate it.
Thanks
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I want to serialize using xml a class which contains a IPEndPoint field. I can't get it to work. Does anybody know what to do? But I don't want to use other formatter. Help!!! Please.
public class __gc Message
{
public:
__property Byte get_ByteMessage ( )[] { return m_byteMessage; }
__property void set_ByteMessage ( Byte byteMessage[] ) { m_byteMessage = byteMessage; }
__property IPEndPoint* get_Sender ( ) { return m_ipeEndPoint; }
private:
Byte m_byteMessage[];
IPEndPoint* m_ipeEndPoint;
}
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Is IPEndPoint a serializable class? If not it won;t get serialized. Not automatically. Not sure of this, but if you can derive another class from IPEndPoint, and then add the serialization stuff, it just might work. Not very sure about it though, as I already said
Author of the romantic comedy
Summer Love and Some more Cricket [New Win]
Buy it, read it and admire me
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IPEndPoint is a serializable class. In addition, I can't even serialize IPEndPoint itself using xml of course.
m_xmlsSerializer = new XmlSerializer( __typeof ( IPEndPoint) );
Any other ideas?
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Michael Mac wrote:
I can't even serialize IPEndPoint itself using xml of course.
Does it have a public constructor? The exception normally gives the detail reason of what is missing from the class
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The code shown below
XmlSerializer* xml = new XmlSerializer ( __typeof( IPEndPoint ) );
returns an exception with the message: "There was an error reflecting 'System.Net.IPEndPoint'".
So I think it's impossible to serialize IPEndPoint class using XML. The alternatives are BinaryFormatter and SoapFormatter.
43 68 65 65 72 73 2c
4d 69 63 68 61 65 6c
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Correct; unfortunately MS didn't document this topic very well. The XmlSerializer doesn't use any of the other serialization stuff, no Serializable attribute nor ISerializable; I think its a shame myself.
The XmlSerializer works by using the reflection.emit classes to construct a class that will place all the public fields/property's in an XML document; when it deserializes it tries to access the nodes in the document as the field/property name to place the value back in. When it does this it creates an instance of the object using the default constructor.
It DOES let you control some functionality by using Attributes and the OverrideAttributes class; but I don't like that solution very well.
James
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Suppose I have an old application with unmanaged code and I adding some .NET classes that are of course managed.
The question is: Will my unmanaged code be compiled as native code and the managed code will be CLR metadata? I am asking this, because I want my old, unmanaged part of application to be very fast, not a MSIL that is at first run (?) compiled into native code.
Best regards,
Alexandru Savescu
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Use #pragma unmanaged to specify that the following code is to be compiled to native code and #pragma managed when you end the native stuff
Author of the romantic comedy
Summer Love and Some more Cricket [New Win]
Buy it, read it and admire me
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Thanks Nish!
However what if I want to declare a managed type inside of an existing class? Will then my whole class be managed? (This is something that I would not like )
Best regards,
Alexandru Savescu
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Alexpro wrote:
Will then my whole class be managed? (This is something that I would not like )
No. If you want to use a managed type inside say your CDialog class, then you'll have to only add #pragma managed for the function in the class, where you use the managed type. That was how it was in Beta 2. I didn't chk to see if it allows you to have a managed line of code inside an unmanaged marked function. I should think not!
Nish
Author of the romantic comedy
Summer Love and Some more Cricket [New Win]
Buy it, read it and admire me
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Nish - Native CPian wrote:
if it allows you to have a managed line of code inside an unmanaged marked function. I should think not!
It doesn't!
Best regards,
Alexandru Savescu
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Alexpro wrote:
It doesn't!
Well, at least, they granularised at the function level instead of at the class level which would have been horrible.
Nish
Author of the romantic comedy
Summer Love and Some more Cricket [New Win]
Buy it, read it and admire me
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Hi everyone,
I need advice regardin my problem, here's my problem:
I have a Text File(serves as my database) with 3 colums fixed length, example
Name Address Age
AAA 123 Anywhere 12
BBB .... ...
Joseph 345 Somewhere 15
Rosie 098 Cool DC 20
I need to search this Text File, in the real world this Text File migh contain 1 Million records as soon as we populate our database.
My question is... what is the fastest way to search for a particular string in this text file. Note: I only search for the name, If I find the name... I need to get the enrite line and process it.
I will really appreciate any help that you can give me.
Thanks/Regards
Sidney
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I will give you a fast, but memeory consuming solution.
Use a std::map to store the name as keys and you make a struct to store the address. Read the whole file and fill the map. Then, when you search the name you will use std::map::find that will do a binary search.
At the end of the program you iterate through the map and write it to the file.
If you have multiple entries with the same name you may consider multimap. Since you post it to the Manage C++ you may also consider hash_map.
Best regards,
Alexandru Savescu
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Thanks Alexandru! I'll see if I can do this, do you have sample code that used STL Map? if you have would you be so kind to share it with me? And by the way just for info... the fields are of Fixed length, example
Field Name Position Length
Fld1 1 10
Fld2 11 21
etc...
Thanks/Regards
Sidney
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You can look at the article on CP about STL here. Also you can read MSDN (the one that comes with .NET is nicer than the VC6.0's one), or the SGI documentation.
Best regards,
Alexandru Savescu
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