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The textbox contains date.So wanted to check , whether the date is valid or not.
Sonia Gupta
Soniagupta1@yahoo.co.in
Yahoo messengerId-soniagupta1
Love is Friendship and Friendship is Love....
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Do what Christian said - DateTime.TryParse(). Be careful about the culture though!
Cheers,
Vıkram.
Be yourself, no matter what they say.
- Sting, Englishman in New York.
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hi all.i use gdipsaveImageTofile(intptr ,filename, ref clsid,intptr.zero),for save image with 300dpi,but that save image with 96dpi i can't solve this problem plz help me.
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Goodness knows what you're using, but the DPI settng is just metadata, it's meaningless to image quality unless you're using WPF.
You're using a p/invoked API ?
Christian Graus - Microsoft MVP - C++
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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first i created a new file of .cs type
there in the namespace i wrote the following code.
internal class Class1
{
public int a;
}
then in the program.cs file i created an instance of the file
static void Main()
{
Class1 d = new Class1();
}
Should not this had created an error , while creating an instance of class1
because it is accessible only within the assembly.
Sonia Gupta
Soniagupta1@yahoo.co.in
Yahoo messengerId-soniagupta1
Love is Friendship and Friendship is Love....
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Are the two files in different assemblies? I think you created them in the same project.
Cheers,
Vıkram.
Be yourself, no matter what they say.
- Sting, Englishman in New York.
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program.cs creates itself after the new program creation.and i created one file named class1.now both are in same project.
I wanted to ask that if In the same project internal members are accessbile in the derived classes and also i can create the instance of the instrnal class , one more thing , internal members are accessible in the instance of the class(eve if the class is declared public).
Sonia Gupta
Soniagupta1@yahoo.co.in
Yahoo messengerId-soniagupta1
Love is Friendship and Friendship is Love....
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Sonia Gupta wrote: now both are in same project.
Then your classes are in the same assembly, so the internal class is visible to Main (and everywhere else).
Sonia Gupta wrote: I wanted to ask that if In the same project internal members are accessbile in the derived classes
internal members are visible everywhere in the same assembly. It's as simple as that.
Sonia Gupta wrote: internal members are accessible in the instance of the class(eve if the class is declared public).
From where? Internal members of a public class will be visible in the same assembly. Internal members of a public class will not be visible outside the assembly, even though the class itself will be.
You can try out all of this yourself; it will teach you a lot. 
Cheers,
Vıkram.
Be yourself, no matter what they say.
- Sting, Englishman in New York.
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Hi all,
How do I able to get all the icons and extension of my files in my computer using coding?
is there anyway?
I know is something to do with HKEY_CLASSES_ROOT but I not sure how to code it. is there any sample? thanks.
I wish to take them out and then place it on a treeview. so user can see the all my treeview having diff icons.
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Unless a file is associated with an extension in Windows Explorer, nothing is stored in the registry. Do you only want to find registered file types ? Then they are in the registry. Otherwise, you can't find them.
Christian Graus - Microsoft MVP - C++
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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I got this link from this thread..
Hope it helps.
Thanks and Regards,
Michael Sync ( Blog: http://michaelsync.net)
If you want to thank me for my help, please vote my message by clicking one of numbers beside "Rate this message". Why vote? Plz Read it here. Thank you.
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O the thread is good.. but I do need some sample as I have no idea how to start.
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Adrian Soon wrote: I do need some sample as I have no idea how to start.
As I wrote ~
I got this link from this thread..
Don't you see the sample code in that link? Well, it is VB code so you might need VB to C# converter.... or you can simply change this code to C# if you have some idea about VB..
Thanks and Regards,
Michael Sync ( Blog: http://michaelsync.net)
If you want to thank me for my help, please vote my message by clicking one of numbers beside "Rate this message". Why vote? Plz Read it here. Thank you. 
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Hi I tried pasting the code.
but it fails.
Conversion was attempted, however the following errors were reported:
-- line 6 col 9: invalid NonModuleDeclaration
I nt sure how to get it done.
what went wrong?
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I created a Setup project (with Orcas beta 2) and I could see in View => User Interfaces
That there are Administrative Install screens.
What are those?
How do I use them?
How do I do an administrative install on plenty of computer?
Is there a possibility to have a silent install?
Also, in the case of the administrative install, I would like to be able to do some additional task (i.e. write some data in the registry) but I need user input for that (i.e. the registration key), how could I do that?
I mean:
- I could have an additional screen, but it has to be entered for every computer, not pratical. (beside how could I use those user input in my System.Configuration.Install.Installer subclasses?)
- could I use command line parameter in MSI? (and how could I use those user command line parameters in my System.Configuration.Install.Installer subclasses?)
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Hi!
I need to colourize C# code on my blog. Is there any ready solution for these?
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thanx a lot!
But I'm writing my own blog engine, so I need colourizer like some independent class.
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i have made a small application that can load programs compiled into dll files, i managed to get the application to load my dll files correctly but now i am having issues with how to unload the dll files correctly. inside the dll program, when i go to close the program i can not use the normal means to close as it would cause the whole program including the loader to close. so if someone could please give some advice on how to properly unload a dll after its loaded, it would be very much appreciated.
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If you load your dlls dynamically, you can unload them. If they are referenced by your project at build time, they will be loaded for the lifetime of your app instance.
Christian Graus - Microsoft MVP - C++
"I am working on a project that will convert a FORTRAN code to corresponding C++ code.I am not aware of FORTRAN syntax" ( spotted in the C++/CLI forum )
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Your question is not clear. Are you saying you want to unload a DLL or are you saying calling Environment.Exit() from a dynamically loaded DLL doesn't work? If it's the former, feel free to browse Google[^]
If it's the latter, there's little anybody can do without your code. FYI, I loaded an assembly using Assembly.Load, instantiated a type and called a method on it which called Environment.Exit() and the app was cleanly shut down. Again, you may want to post a code snapshot.
Cheers,
Vıkram.
Be yourself, no matter what they say.
- Sting, Englishman in New York.
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Hi,
I am trying to convert a Big Endian data file to something readable on most Windows PCs. I do ok with integer data but I cannot convert the floating points (32-bit IEEE).
1) Is it possible for a BinaryReader to account for Big Endian, such that .ReadSingle() would return the correct value?
2) If I have to read the bytes one at a time and reverse them, is there a way to type cast it to a float?
I pursued #2 for a while, but C# type-casting seems to convert the actual value and not the binary that represents it. So the result is something like 1.12E9 instead of 89.9.
I really don't know how to make it work correctly. I would be grateful for any help.
Regards,
Piote
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Hi,
AFAIK there is no direct .NET support for big-endian data.
You need to swap all bytes in each larger data item, whether integer or float.
The BitConverter class will help you interpreting bytes once you have put them
in the right order. See ToSingle() method.
You could construct your own BinaryReader derivative that hides the endianness
conversion, (only if BitConverter.IsLittleEndian returns true).
Luc Pattyn [Forum Guidelines] [My Articles]
this weeks tips:
- make Visual display line numbers: Tools/Options/TextEditor/...
- show exceptions with ToString() to see all information
- before you ask a question here, search CodeProject, then Google
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Thanks for help. I'll try to use that.
Regards,
Piote
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