Using C++ SDK in C#?

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  - 1
    - Using MSIEXEC Product Code is a property of Setup Project. There is also another Upgrade Code used to block you when you try to install the same application and that application is already installed. Go to your setup project, view properties and check the Product Code. Tag: Visual C# General Using C++ SDK in C#? Visual C#
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    - May I use FieldAccessException for own purpose ? Thanx, Alberto So when I browse all the exceptions the System-Namespace offers, the only exceptions to use for own purposes are: ArgumentException and ArgumentOutOfRangeException when args don't fit to a own-written method. and for all other purposes inherit it a self-defined one, I see ! Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 3
    - Running a C# Application Outside Windows Operating Systems - Is there a way? Xenocode looks neat, but it actually won't do what you're after anyway, you'll notice it says that it runs in any windows environment . What you're trying to do will require a low level language and, unfortunately, a whole lot of work. If you are outside of the windows operating system, running on bootup, you have to do EVERYTHING yourself. You can't even use any system calls or API's, so no convenient fread even! You'll have to write or find a driver for the disk drive, and something that understands the NTFS (and likely FAT16 and FAT32) file systems This is all VERY low level stuff, and it will take FOREVER. A slightly sneakier and easier way to go about this would be to create a boot disk that runs solely in memory, and put your program on it. I'm not sure how you would go about doing this in windows (although I'm sure there is some commercial solution you could find) but it isn't all that hard to do in linux. I'm not sure if the newest NTFS drivers for Linux allow writing by default, I know they didn't a couple of years ago, but they might now. And after all that you obviously need to be very careful. That low level control, where the operating system can't protect itself, is dangerous. Have fun, but I'd STRONGLY suggest you do your developing and testing on a machine you don't really care about. -mwalts Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 4
    - RTF to PDF convertion using C# Cathy, Thanks for your reply and I'm sorry, I missed your reply. This is interesting, I wasn't sure of where to get the acrobat.dll and the following is what I found out in google. I am not sure if this is the same dll you are talking about http://www.fileresearchcenter.com/A/ACROBAT.DLL-5656.html http://www.file.net/process/acrobat.dll.html Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 5
    - confused in populating array! If you need to accept columnar data I would suggest using a grid control. Using TextBox for columnar data means you have to validate the separators and all that stuff. You should be able to create a grid with a time column and a number column and have it validate the text entered is valid... Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 6
    - Passing a string from a C++ DLL Sadly, that doesn't work. I get complaints during runtime that something is trying to read or write protected data. Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 7
    - Programming the parallel port help!!! Hello: I'm looking for projects about programming the parallel port. I found an excellent article at CodeProject.com about leds titled " I/O Ports Uncensored - 1 - Controlling LEDs (Light Emiting Diodes) with Parallel Port" ( http://www.codeproject.com/csharp/csppleds.asp ). It’s very useful because I’m studying Computer Architecture in my University. But now, I want to see another projects. I found on Internet projects based on C, but I want projects based on .NET. Can you help me Thanks. Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 8
    - how to call contructor of base class from constructor of inherit class hi, It's quite nature that the base class dont have a constructor with no param for you to invoke. But you can still create a new base class object cause system will assign a default constructor. So if you want to call it, add a constructor for base class. BR Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 9
    - Equals Method Oh, it's a class Thanks alot, Aw Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 10
    - How can I recover a lost vshost.exe.manifest file I believe that you are correct. My problem was elsewhere. It is true that I could no longer build my immediately after doing a deploy and I interpreted the error message that came up as indicating a missing file. I have worked around the problem by opening a new project and dragging all the relevant files from the original project into the new one. I can now rebuild the app, although I cannot see the design of my main form - instead I get the default empty form. Something is not pointing to something properly because I have another form in the project that does show the proper design. Thanks for responding. Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 11
    - PropertyGrid Cloning objects Hi, For such issues please use an appropriate newsgroup, potentially one at http://msdn.microsoft.com/newsgroups . Thanks Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 12
    - Type Reference and Object Name TaylorMichaellL, Thank you for the answer. I am quite familiar with most of the concepts you have mentioned. If possible, please help me to further clarify the following statements as well as the questions that I have asked in my first post. I will use your example to ensure that we are talking about the same things. “Meanwhile var and var2 both point to the same place in memory.” Which one is the actual pointer, var or MyClass I thought var in this case is the name of the actual variable that resides in the computer memory whereas MyClass is the pointer to var. So the CLR would use MyClass (the object pointer) to find var (the actual object) and not the other way round. Is my understanding of this logic correct “although var is of type IMyClass, it actually points to an instance of type MyClass. The compiler/runtime ensures that the members are called correctly” Do you mean that IMyClass is a reference type for the variable var and that var is a reference type for MyClass Does the Variable var store the values of Myclass ( ) through the = operator or does it only provide a reference pointer to the class MyClass or is it both “It is important to understand that a variable has a type and the instance that it points to might be a different type. Provided the types are compatible (i.e. the instance can be converted to the variable's type) then it is legal. This is useful because oftentimes you want your variables to work with as many different types as possible. Therefore variables are often typed to be the most generic type available that still allows you to call the members that you want.” Would you be able to show the logic of this relationship using a diagram What you seem to be saying is that the object var is not just a concrete object that resides in the computer memory but it also servers as a reference to the class MyClass which the object var is a member or an instance of. So the reason why the constructor would have the same name as the class is because this is the only way to identify var as the member of MyClass Is IMyClass var simply a variable declaration where the nature of IMyClass is identical to a string or integer type of a variable “I recommend that you get a good book on OOP because these concepts are consistent in all OOP languages. The only real .NET difference is reference vs. value types. Once you get a good understanding of OOP then look up reference vs. value types in MSDN and that should clarify the differences” Yes the concepts that are used in my questions are fundamental OOP concepts. However another aspect of my questions tries to look into the issues that are related to the object creation process through the CLR. Without a sound understanding of how the CLR actually carries out its job, I find it rather difficult to consolidate my knowledge in OOP. Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 13
    - is my code leaking memory? I've just started reading about threading myself, but one rule that I read was to try avoiding creating threads manually and just 'lease' threads from the thread pool instead. Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 14
    - XmlReader and deep copy Then how do I achieve what i have set out to Thanks Peter Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 15
    - Casting parent class to child Got a better answer that doesn't require me to change tons of my code. Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 16
    - Show Desktop The reference is Microsoft Sheel Controls And Automation. I did the following: Shell32.ShellClass shell = new Shell32.ShellClass(); shell.MinimizeAll(); Thanks! Tag: Visual C# General Using C++ SDK in C#? Visual C#
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    - Migration to 2005 I am migrating to 2005, is there any easy way to get snippets over into 2005 from 2003 and is there any easy way to get the contents of the toolbox i.e. componets over to 2005 Tag: Visual C# General Using C++ SDK in C#? Visual C#
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    - storing values between two forms Hi, Also, you could use QueryString or Server.Transfer. BTW, ASP.NET related questions should be asked on http://forums.asp.net/ Thank you. Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 3
    - Cannot Open Image file from Console Application (C#) Uploaded file link is given in a grid when i click on particular cell the following code is executed. try { DataTable dt = ( DataTable )dataGridView2.DataSource; string FilePath = dt.Rows[e.RowIndex][7].ToString(); FilePath = "Department/" + FilePath; System.Diagnostics. Process .Start(FilePath); } catch ( Exception exp) { MessageBox .Show( "Cannot Open File " ); } This is the code where i get the file path of uploaded file and i try to open it. .txt and .doc works fine problem is with image files. It doesn't even give "Cannot Open File" message. Nothing happens. Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 4
    - report logging the report.. or logs, are stored as text files.. these text files are time stamped.. example, 2006-12-14 16:25:19.34 ****** Using '********.DLL' version '*.*.***'. 2006-12-14 16:25:19.34 ****** Starting up database 'model'. 2006-12-14 16:25:19.34 ****** Starting up database 'msdb'. such entries will continue to be logged.. including those done by users.. currently the system only takes one entry at a time.. it cannot support multiple entry at any one time.. hope you can help.. thanks. Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 5
    - Environment.SpecialFolder.MyDocuments in C#1.1 thanks Peter for your fast reply. actually it does exist in 1.1, BUT i do not see this specialfolder enum in my solution. what could make it dissapered gosh i guess this should work too - string filename = Environment.GetEnvironmentVariable("USERPROFILE"); Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 6
    - I would like to ask about Face Detection That was very interesting answer Ryan! I'm willing to try that technique in some program.. Thanks! Regards, Timo Salomaki Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 7
    - C# Newbie - Problem with syntax? Compiler: Visual C# 2005 Express I am tring to see if a file exists and if it does delete it. To see if the file exists I am using: bool exists; exists = Syste.IO.File.Exists(@"c:\test.txt"); To delete the file I am using: System.IO.File.Delete(@"c:\test.txt"); The test file is located in c:\ and is called test.txt however, exists always returns false and the file is never deleted. What am i doing wrong What is the purpose of the @ symbol before the file name thanks Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 8
    - myprocess.Start() is not working for me in .net 2003 Hi, please post the error you are getting when you run the code. Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 9
    - only view select text in textbox hi aaaaaaahhh string's SubString() method is what you're after: string s = "hello there this string is a lot more than 8 characters long but we'll only show 8"; textBox.Text = s.SubString(0.8); -Jeff Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 10
    - Dialogs Cause Program to Freeze Does it say [STAThread] or [MTAThread] next you your program's Main() method I think it needs to be [STAThread] if you use a ColorDialog in your program. Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 11
    - Problems with Intellisense popup behavior Hi Suma, I'm don't think anything else is running that would be grabbing focus. What type of application would do that This condition seems to happen for each Visual C# Web application that I create. I used Webex to record an example in a new project. Each time the intellisense goes away it is on its own. I am not pressing any keys. How do I attach the Webex recording Thanks, Earl Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 12
    - 2 simple questions Thanks nielsvanvliet , that was really helpful.. Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 13
    - How to use string.replace to replace "\\" with "\" in a string? yeah, its so tricky, in the debugger, its still "\\". But in the text visualizer, its become "\". Thanks, Mark. I was pulling my hair out and still couldn't figure it out for one hour..gees Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 14
    - Visual Studio Set References Copy Local to True Hi, I have a solution which contains many dll and exe. I set the Copy Local properties to each of References of all projects (it depends, some must be true, and some must be false). I build and save the solution, everything is in the right place. The csproj files seem to be good with <Private>False</Private> or <Private>True</Private> in every section. If I close VS and re-open my solution, all References are set to true, despite the value of the csproj. I don't understand what happens, and this is very unconvenient, because I have to re-set Copy Local in each Reference manually. My collegue, who works on the same VSS base, don't have the problem. I have not VS SP1 installed, but I have not seen any improvment in that way. Thanks for any help or suggestion. Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 15
    - 2D Drawing Options I'm developing an app that can graph signals (audio, FFTs, etc). Right now I'm using GDI+ and the signal is represented as a series of lines in a GraphicsPath object. I usually draw the lines then fill the path with a gradient. I'm wondering if there are any other options for doing this in C#. I thought about managed DirectX, but it seems that is mostly geared towards 3D drawing. Anyone have suggestions about a better way to go. It's important for me to draw/redraw as quickly as possible. Thanks! Barry Tag: Visual C# General Using C++ SDK in C#? Visual C#
  - 16
    - % Operator Ok I think that worked. Just so I understand how it works, the value after the == will be the remainder of _departmentID%100 Say I were to do (_departmentID % 10) == 7, the remainder of the operation would have to be 7 correct Tag: Visual C# General Using C++ SDK in C#? Visual C#

TMar

I have a set of cameras that I need to write a program to operate and the manufacturer provides an SDK in C++. However, the system I need to interface with is all being written in C# and I need to know if there will be a problem running those function (I assume there will be)

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Re: Visual C# General Using C++ SDK in C#?

Irfan Kiyani

If that SDK exports C style functions, you can call them from C# using the PInvoke functionality as described here

http://msdn2.microsoft.com/en-us/library/55d3thsc(VS.80).aspx

If that SDK exports classes then you may need to write a C wrapper for those and call those wrapper methods using PInvoke.

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