c++-cli

I have made a NuGet package that works well when I use it from a C# project. It contains a DLL in the lib/net40 directory, and the DLL gets added as a reference. Now that NuGet supports C++, how do I actually modify my package so that the DLL can be added as a managed reference in a C++/CLI project? I can't find any tutorials explaining this. If I try to just add the package as is, I get the following error: You are trying to install this package into a project that targets 'Native,Version=v0.0', but the package does not contain any assembly references or content files that are compatible with

I want to convert to std::string to System::String^ in Visual C++ environment. I know that we can convert System::String to std::string by the MarshalString Function as below: void MarshalString ( String ^ s, string& os ) { using namespace Runtime::InteropServices; const char* chars = (const char*)(Marshal::StringToHGlobalAnsi(s)).ToPointer(); os = chars; Marshal::FreeHGlobal(IntPtr((void*)chars)); } I can't find the way to convert std::string to System::String but I found that System::String has constructor with argument as below : System::String(Char* value, Int32 startIndex, Int32 length)

How can I declare a managed method in C++/CLI that has an optional parameter when used from C#? I've decorated the parameter with both an Optional and a DefaultParameterValue attribute (see: How default parameter values are encoded ), but only the Optional attribute seems to be honored. C++/CLI: public ref class MyClass1 { public: MyClass1([System::Runtime::InteropServices::Optional] [System::Runtime::InteropServices::DefaultParameterValue(2)] int myParam1) ↑ { System::Console::WriteLine(myParam1); } }; C#: var myInstance1 = new MyClass1(); // compiles and runs Output : 0 Expected Output: 2

Is it possible to use the new lambda expressions in Visual C++ 2010 as CLR event handlers? I've tried the following code: SomeEvent += gcnew EventHandler( [] (Object^ sender, EventArgs^ e) { // code here } ); It results in the following error message: error C3364: 'System::EventHandler' : invalid argument for delegate constructor; delegate target needs to be a pointer to a member function Am I attempting the impossible, or is simply my syntax wrong? No can do, the C++/CLI compiler didn't get updated to accept the lambda syntax. Fairly ironic btw given the head-start that managed code had. The

I have a C# dll. The code is below: public class Calculate { public static int GetResult(int arg1, int arg2) { return arg1 + arg2; } public static string GetResult(string arg1, string arg2) { return arg1 + " " + arg2; } public static float GetResult(float arg1, float arg2) { return arg1 + arg2; } public Calculate() { } } Now, I am planning to call this dll from C++ on this way. [DllImport("CalculationC.dll",EntryPoint="Calculate", CallingConvention=CallingConvention::ThisCall)] extern void Calculate(); [DllImport("CalculationC.dll",EntryPoint="GetResult", CallingConvention=CallingConvention:

I am building a dll, which references a second dll. I have added the second dll as a reference in the first dll's project by going to Properties > Common Properties > Framework and References > Add New Reference > Browse I compiled the second dll from a third party's source code. Both projects are C++/CLI. Whenever my main application tries to call a function in the first dll which contains a call to the second dll, I get the following error: An unhandled exception of type 'System.IO.FileNotFoundException' occurred in Unknown Module. Additional information: Could not load file or assembly

I have a C++/CLI project that wraps around an unmanaged C compression library, and this project is referenced by an MVC3 project that calls the C++ Compress function. Everything works fine locally, but when I publish the solution to the Azure cloud, I get an error saying it could not find the module/dll: Could not load file or assembly 'LZGEncoder.DLL' or one of its dependencies. The specified module could not be found. Why can't it find the DLL file? is it going to the wrong place or being compiled at all? Is there any way I can check? Thanks! The problem was that the Visual C++ 2010 Runtime

Visual Studio syntax highlighting colors this word blue as if it were a keyword or reserved word. I tried searching online for it but the word "array" throws the search off, I get mostly pages explaining what an array is. What is it used for? Judge Maygarden It's not a reserved word under ISO standards. Microsoft's C++/CLI defines array in the cli namespace , and Visual Studio's syntax highlighting will treat it as a reserved word. This usage would be considered a vendor extension and not a part of any international C or C++ standard. ISO C99 Keywords: auto enum restrict unsigned break extern