Visual C++ .NET/Collections/multiset

equal_range of duplicate multiset

<source lang="csharp">

1. include "stdafx.h"
2. include <cliext/set>

using namespace System; using namespace cliext; using namespace System::Collections::Generic; ref class MyClass{ public:

   String^ Name;
   MyClass() : Name(String::Empty) { }
   MyClass(String^ name) : Name(name) { }
   MyClass(const MyClass% orig){
       Name = orig.Name; 
   }
   MyClass% operator=(const MyClass% orig){
       if (this != %orig)
           Name = orig.Name;
       return *this;
   }
   ~MyClass() { }
   bool operator<(const MyClass^ rhs){
       return (Name->CompareTo(rhs->Name) < 0);
   }
   bool operator==(const MyClass^ rhs){
       return (Name->Equals(rhs->Name));
   }

}; int main(array<System::String ^> ^args) {

   multiset<MyClass^> mpets; 
   mpets.insert(gcnew MyClass("King")); 
   mpets.insert(gcnew MyClass("Buster"));
   mpets.insert(mpets.end(), gcnew MyClass("Zipper"));
   mpets.insert(gcnew MyClass("N"));
   multiset<MyClass^>::iterator New_Puppy = mpets.insert(gcnew MyClass("N"));

   multiset<MyClass^>::pair_iter_iter FindSE = mpets.equal_range(*New_Puppy); 
   for (; FindSE.first != FindSE.second; ++FindSE.first) 
       System::Console::Write("{0} ", FindSE.first->Name); 

   return (0);

}

 </source>

Erase element from multiset

<source lang="csharp">

1. include "stdafx.h"
2. include <cliext/set>

using namespace System; using namespace cliext; using namespace System::Collections::Generic; ref class MyClass{ public:

   String^ Name;
   MyClass() : Name(String::Empty) { }
   MyClass(String^ name) : Name(name) { }
   MyClass(const MyClass% orig){
       Name = orig.Name; 
   }
   MyClass% operator=(const MyClass% orig){
       if (this != %orig)
           Name = orig.Name;
       return *this;
   }
   ~MyClass() { }
   bool operator<(const MyClass^ rhs){
       return (Name->CompareTo(rhs->Name) < 0);
   }
   bool operator==(const MyClass^ rhs){
       return (Name->Equals(rhs->Name));
   }

}; int main(array<System::String ^> ^args) {

   multiset<MyClass^> mpets; 
   mpets.insert(gcnew MyClass("King")); 
   mpets.insert(gcnew MyClass("Buster"));
   mpets.insert(mpets.end(), gcnew MyClass("Zipper"));
   mpets.insert(gcnew MyClass("N"));
   multiset<MyClass^>::iterator New_Puppy = mpets.insert(gcnew MyClass("N"));

 int count = mpets.erase(*New_Puppy);
   System::Console::WriteLine("\n\nErasing {0} New Puppies from container", count);

   return (0);

}

 </source>

Insert elements (with duplicate) to multiset

<source lang="csharp">

1. include "stdafx.h"
2. include <cliext/set>

using namespace System; using namespace cliext; using namespace System::Collections::Generic; ref class MyClass{ public:

   String^ Name;
   MyClass() : Name(String::Empty) { }
   MyClass(String^ name) : Name(name) { }
   MyClass(const MyClass% orig){
       Name = orig.Name; 
   }
   MyClass% operator=(const MyClass% orig){
       if (this != %orig)
           Name = orig.Name;
       return *this;
   }
   ~MyClass() { }
   bool operator<(const MyClass^ rhs){
       return (Name->CompareTo(rhs->Name) < 0);
   }
   bool operator==(const MyClass^ rhs){
       return (Name->Equals(rhs->Name));
   }

}; int main(array<System::String ^> ^args) {

   multiset<MyClass^> mpets; 
   mpets.insert(gcnew MyClass("King")); 
   mpets.insert(gcnew MyClass("Buster"));
   mpets.insert(mpets.end(), gcnew MyClass("Zipper"));
   mpets.insert(gcnew MyClass("N"));
   multiset<MyClass^>::iterator New_Puppy = mpets.insert(gcnew MyClass("N"));

   for each (MyClass^ pet in mpets) 
       System::Console::Write("{0} ", pet->Name); 
   return (0);

}

 </source>

Insert to multiset

<source lang="csharp">

1. include "stdafx.h"
2. include <cliext/set>

using namespace System; using namespace cliext; using namespace System::Collections::Generic; ref class MyClass{ public:

   String^ Name;
   MyClass() : Name(String::Empty) { }
   MyClass(String^ name) : Name(name) { }
   MyClass(const MyClass% orig){
       Name = orig.Name; 
   }
   MyClass% operator=(const MyClass% orig){
       if (this != %orig)
           Name = orig.Name;
       return *this;
   }
   ~MyClass() { }
   bool operator<(const MyClass^ rhs){
       return (Name->CompareTo(rhs->Name) < 0);
   }
   bool operator==(const MyClass^ rhs){
       return (Name->Equals(rhs->Name));
   }

}; int main(array<System::String ^> ^args) {

   multiset<MyClass^> mpets; 
   mpets.insert(gcnew MyClass("A")); 
   mpets.insert(gcnew MyClass("B"));
   mpets.insert(mpets.end(), gcnew MyClass("Z"));
   return (0);

}

 </source>

Upper/Lower bound of duplicate multiset

<source lang="csharp">

1. include "stdafx.h"
2. include <cliext/set>

using namespace System; using namespace cliext; using namespace System::Collections::Generic; ref class MyClass{ public:

   String^ Name;
   MyClass() : Name(String::Empty) { }
   MyClass(String^ name) : Name(name) { }
   MyClass(const MyClass% orig){
       Name = orig.Name; 
   }
   MyClass% operator=(const MyClass% orig){
       if (this != %orig)
           Name = orig.Name;
       return *this;
   }
   ~MyClass() { }
   bool operator<(const MyClass^ rhs){
       return (Name->CompareTo(rhs->Name) < 0);
   }
   bool operator==(const MyClass^ rhs){
       return (Name->Equals(rhs->Name));
   }

}; int main(array<System::String ^> ^args) {

   multiset<MyClass^> mpets; 
   mpets.insert(gcnew MyClass("King")); 
   mpets.insert(gcnew MyClass("Buster"));
   mpets.insert(mpets.end(), gcnew MyClass("Zipper"));
   mpets.insert(gcnew MyClass("N"));
   multiset<MyClass^>::iterator New_Puppy = mpets.insert(gcnew MyClass("N"));
   multiset<MyClass^>::iterator puppiesL = mpets.lower_bound(*New_Puppy);
   multiset<MyClass^>::iterator puppiesU = mpets.upper_bound(*New_Puppy);
   for(; puppiesL != puppiesU; puppiesL++)
       System::Console::Write("{0} ", puppiesL->Name); 

   return (0);

}

 </source>