List.ForEach and Action : list « Collections « Visual C++ .NET

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Visual C++ .NET » Collections » list 
List.ForEach and Action
 

#include "stdafx.h"
using namespace System;
using namespace System::Collections::Generic;

ref class MyClass{
public:
    String^ Value;

    MyClass(String^ in);
    virtual String^ ToString() override;

    static bool hasX(MyClass^ val);
    static void formatString(MyClass^ val);
};

MyClass::MyClass(String^ in: Value(in) {}

String^ MyClass::ToString() { return Value; }

bool MyClass::hasX(MyClass^ val)
{
    return val->Value->ToUpper()->IndexOf("X"0;
}

void MyClass::formatString(MyClass^ val)
{
    val->Value = String::Format("** {0} **", val->Value);
}

void main(){
    List<MyClass^>^ alist = gcnew List<MyClass^>();

    alist->Add(gcnew MyClass("One"));
    alist->Add(gcnew MyClass("-"));
    alist[1= gcnew MyClass("Three");

    for (int i = 0; i < alist->Count; i++)
        Console::WriteLine("{0} ", alist[i]);
        
    alist->ForEach(gcnew Action<MyClass^>(MyClass::formatString));


    for each(MyClass^ str in alist)
        Console::WriteLine("{0} ", str);

}

   
  
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