в 15:31, 26 мая 2010

2010-05-26T15:31:02Z

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2010-05-26T12:05:17Z

1 версия

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==Add key and value to Hashtable==

<source lang="csharp">
#include "stdafx.h"
using namespace System;
using namespace System::Collections;
void main(){
Hashtable ^hash = gcnew Hashtable();
SortedList ^sort = gcnew SortedList();
array<String^>^ keys = gcnew array<String^> { "B", "A", "C", "D" };
array<String^>^ skeys = gcnew array<String^> { "A", "B", "C", "D" };
array<String^>^ values = gcnew array<String^> { "a", "b", "c", "d" };
for (int i = 0; i < keys->Length; i++)
{
hash->Add(keys[i], values[i]);
sort->Add(keys[i], values[i]);
}
}

</source>

==Get Enumerator from Hashtable==

<source lang="csharp">
#include "stdafx.h"
using namespace System;
using namespace System::Collections;
void main(){
Hashtable ^hash = gcnew Hashtable();
SortedList ^sort = gcnew SortedList();
array<String^>^ keys = gcnew array<String^> { "B", "A", "C", "D" };
array<String^>^ skeys = gcnew array<String^> { "A", "B", "C", "D" };
array<String^>^ values = gcnew array<String^> { "a", "b", "c", "d" };
for (int i = 0; i < keys->Length; i++)
{
hash->Add(keys[i], values[i]);
sort->Add(keys[i], values[i]);
}
Console::WriteLine("\nBy enumerator");
IDictionaryEnumerator ^enum1 = hash->GetEnumerator();
IDictionaryEnumerator ^enum2 = sort->GetEnumerator();
while ( enum1->MoveNext() && enum2->MoveNext())
{
Console::Write("{0} {1}\t\t", enum1->Key, enum1->Value);
Console::WriteLine("{0} {1}", enum2->Key, enum2->Value);
}
}

</source>

==Get Key enumerator from Hashtable==

<source lang="csharp">
#include "stdafx.h"
using namespace System;
using namespace System::Collections;
void main(){
Hashtable ^hash = gcnew Hashtable();
SortedList ^sort = gcnew SortedList();
array<String^>^ keys = gcnew array<String^> { "B", "A", "C", "D" };
array<String^>^ skeys = gcnew array<String^> { "A", "B", "C", "D" };
array<String^>^ values = gcnew array<String^> { "a", "b", "c", "d" };
for (int i = 0; i < keys->Length; i++)
{
hash->Add(keys[i], values[i]);
sort->Add(keys[i], values[i]);
}
Console::WriteLine("\nEnumerate Key");
IEnumerator ^keys1 = hash->Keys->GetEnumerator();
IEnumerator ^keys2 = sort->Keys->GetEnumerator();
while ( keys1->MoveNext() && keys2->MoveNext())
{
Console::Write("{0}\t\t", keys1->Current);
Console::WriteLine("{0}", keys2->Current);
}
}

</source>

==Get value enumerator from Hashtable==

<source lang="csharp">
#include "stdafx.h"
using namespace System;
using namespace System::Collections;
void main(){
Hashtable ^hash = gcnew Hashtable();
SortedList ^sort = gcnew SortedList();
array<String^>^ keys = gcnew array<String^> { "B", "A", "C", "D" };
array<String^>^ skeys = gcnew array<String^> { "A", "B", "C", "D" };
array<String^>^ values = gcnew array<String^> { "a", "b", "c", "d" };
for (int i = 0; i < keys->Length; i++)
{
hash->Add(keys[i], values[i]);
sort->Add(keys[i], values[i]);
}
Console::WriteLine("\nEnumerate Value");
IEnumerator ^vals1 = hash->Values->GetEnumerator();
IEnumerator ^vals2 = sort->Values->GetEnumerator();
while ( vals1->MoveNext() && vals2->MoveNext())
{
Console::Write("{0}\t\t", vals1->Current);
Console::WriteLine("{0}", vals2->Current);
}
}

</source>

==Get value from Hashtable by indexed property==

<source lang="csharp">
#include "stdafx.h"
using namespace System;
using namespace System::Collections;
void main(){
Hashtable ^hash = gcnew Hashtable();
SortedList ^sort = gcnew SortedList();
array<String^>^ keys = gcnew array<String^> { "B", "A", "C", "D" };
array<String^>^ skeys = gcnew array<String^> { "A", "B", "C", "D" };
array<String^>^ values = gcnew array<String^> { "a", "b", "c", "d" };
for (int i = 0; i < keys->Length; i++)
{
hash->Add(keys[i], values[i]);
sort->Add(keys[i], values[i]);
}
Console::WriteLine("By indexed property");
for (int i = 0; i < hash->Count; i++)
{
Console::WriteLine("{0} {1}\t\t{2} {3}", skeys[i],
hash[skeys[i]], skeys[i], sort[skeys[i]]);
}
}

</source>

==Hashtable contains key==

<source lang="csharp">
#include "stdafx.h"
using namespace System;
using namespace System::Collections;
void main(){
Hashtable ^hash = gcnew Hashtable();
SortedList ^sort = gcnew SortedList();
array<String^>^ keys = gcnew array<String^> { "B", "A", "C", "D" };
array<String^>^ skeys = gcnew array<String^> { "A", "B", "C", "D" };
array<String^>^ values = gcnew array<String^> { "a", "b", "c", "d" };
for (int i = 0; i < keys->Length; i++)
{
hash->Add(keys[i], values[i]);
sort->Add(keys[i], values[i]);
}
Console::WriteLine("\nContains a Key "A" and "Z"");
Console::WriteLine("{0}\t\t{1}", hash->Contains("A"), sort->Contains("A"));
Console::WriteLine("{0}\t\t{1}", hash->ContainsKey("Z"), sort->ContainsKey("Z"));
}

</source>

==Hashtable contains value==

<source lang="csharp">
#include "stdafx.h"
using namespace System;
using namespace System::Collections;
void main(){
Hashtable ^hash = gcnew Hashtable();
SortedList ^sort = gcnew SortedList();
array<String^>^ keys = gcnew array<String^> { "B", "A", "C", "D" };
array<String^>^ skeys = gcnew array<String^> { "A", "B", "C", "D" };
array<String^>^ values = gcnew array<String^> { "a", "b", "c", "d" };
for (int i = 0; i < keys->Length; i++)
{
hash->Add(keys[i], values[i]);
sort->Add(keys[i], values[i]);
}
Console::WriteLine("\nContains a Value "a" and "c"");
Console::WriteLine("{0}\t\t{1}", hash->ContainsValue("a"), sort->ContainsValue("a"));
Console::WriteLine("{0}\t\t{1}", hash->ContainsValue("c"), sort->ContainsValue("c"));
}

</source>

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Visual C++ .NET/Collections/Hashtable - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия