The call to printf will be emitted via msil. The printf method itself will execute as native code (there will be a managed to unmanaged jump during execution).
Now instead of printf, assume you were calling your own global function Foo. Now if you did not put Foo's definition in a #pragma unmanaged block, Foo itself will be compiled as msil. That's a scenario where you'd actually want to use #pragma unmanaged, particularly if you think Foo is a time-intensive function.
Why it is at all needed more than one project in solution?
There are several reasons why you might want to do this, including:
1. You have a static library with rarely-changed code, linked to your app.
2. You have a dll - for example, a shell extension - and an app that presents the gui.
3. You have a dll and several test apps.
Pranit Kothari wrote:
How to add multiple projects in one solution?
Right click on the solution in the Solution Explorer, then click on Add > New Project (or Existing Project).
That is correct, look up dynamic and/or static dll use in Google. Having the ability to have all of your dll's in the same workspace is very advantageous for debugging the dlls themselves or interactions between the application and dll.
What I have guessed from your answer is, suppose I have some set of classes that I am creating in one project and I will create another project and use that library. It it correct?
Yes and no.
I use the term library to refer to a deliverable. An example is a logging library like log4cpp.
A deliverable has an independent project schedule, has its own requirements and users of the library determine which version to consume by moving the binary (compiled) form into their project.
An application however might have different layers or blocks. Each would likely have their own project. (I usually won't break into layers/blocks if there is only one code file even if there is a conceptual difference.)
On the other hand for something like a windows service I always break the 'service' code into a project that does nothing but provide the basic start/stop and uses another project (called something like 'App') which encompasses the entire functionality of the windows service. So a layout would look like
In the above the Service project refers to the App project and OtherFunctionality project and references the MyOtherLibrary.dll.
The App project refers to the OtherFunctionality project and references the MyOtherLibrary.dll as well.
Some very common functional blocks for me would be database layers, communication layers and business logic of different types. The App is also a block as it represents the application itself without requiring dependency specifically as a windows service. This makes it trivial to also deliver a stand alone console executable (which I always do as well.)
Sounds like a question for a Purify forum. Purify install should include all the C-Runtime DLLs it requires. You could try debugging a c++ app built against that version of the runtime and in the debugger use the Microsoft symbol server to download the pdbs by a right-click on the module and download symbols from MS symbol server.
but I have one big problem: IntelliSense code completion does not work, he does not find any options for exApp-> and I want to open a worksheet and I don`t know which variables the exApp->Workbooks->Open Function needs, for example.
Can someone tell me how I get the IntelliSense for the Managed Code to work?
I have a Windows Forms application that runs, when clicking on a button, a .exe console application. I know I can use System::Diagnostics::Process::Kill to exit it, and I want to do it when the user clicks on a Cancel button.
The problem I am encountering is that while the console application is running it is not possible to interact with the Windows Forms application.
Is there any way to run the process minimized or something similar?
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