Visual C++ .NET/Function/Definition

Call a Function

 

#include "stdafx.h"
#using <mscorlib.dll>
using namespace System;
void myFunction(int val) {
    if (val < 0) return;
    if ((val >= 0) && (val < 11))
        System::Console::WriteLine("val is between 0 and 10.");
    else
        System::Console::WriteLine("val is greater than 10.");
}
int main(void) {
    int value = 25;
    myFunction(value);
    return 0;
}

Create a Function Prototype

 

#include "stdafx.h"
#using <mscorlib.dll>
using namespace System;

void TestRange(int val)
{
    if (val < 0) return;
    if ((val >= 0) && (val < 11))
        System::Console::WriteLine("val is between 0 and 10.");
    else
        System::Console::WriteLine("val is greater than 10.");
}
int main(void)
{
    int value = 25;
    TestRange(value);
    return 0;
}

global function

 
// compile with: cl /clr:safe /LD global_function.cpp
#include "stdafx.h"
using namespace System;
   void GlobalFunction()
   {
      Console::WriteLine("Global C++/CLI Function.");
   }
   public ref class R
   {
      public:
        static void FMember()
        {
            Console::WriteLine("C++/CLI Static Member Function.");
            GlobalFunction();
        } 
   };

Pass value to a Function

 

#include "stdafx.h"
#using <mscorlib.dll>
using namespace System;
void myFunction(int val1, int val2, String^ val3) {
    System::Console::Write("val1 = ");
    System::Console::WriteLine(val1);
    System::Console::Write("val2 = ");
    System::Console::WriteLine(val2);
    System::Console::Write("val3 = ");
    System::Console::WriteLine(val3);
}
int main(void) {
    int value = 25;
    System::Console::WriteLine("Hello World");
    
    myFunction(1, 2, "String");
    return 0;
}