в 15:31, 26 мая 2010

2010-05-26T15:31:53Z

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2010-05-26T12:15:48Z

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==Add element to SortedList by using the indexer.==

<source lang="csharp">using System;
using System.Collections;

class MainClass {
public static void Main() {
SortedList sl = new SortedList();

sl.Add("a", "A");
sl.Add("b", "B");
sl.Add("c", "C");
sl.Add("d", "D");
// add by using the indexer.
sl["e"] = "E";

// Get a collection of the keys.
ICollection c = sl.Keys;

// Display list using integer indexes.
Console.WriteLine("Contents by integer indexes.");
for(int i=0; i<sl.Count; i++)
Console.WriteLine(sl.GetByIndex(i));

}
}</source>
<pre class=codeResult>Contents by integer indexes.
A
B
C
D
E</pre>

==Add value to SortedList and get contents by integer indexes==

<source lang="csharp">using System;
using System.Collections;

class MainClass {
public static void Main() {
SortedList sl = new SortedList();

sl.Add("a", "A");
sl.Add("b", "B");
sl.Add("c", "C");
sl.Add("d", "D");

// Get a collection of the keys.
ICollection c = sl.Keys;

// Display list using integer indexes.
Console.WriteLine("Contents by integer indexes.");
for(int i=0; i<sl.Count; i++)
Console.WriteLine(sl.GetByIndex(i));

}
}</source>
<pre class=codeResult>Contents by integer indexes.
A
B
C
D</pre>

==Get the index of the element with a key using the IndexOfKey() method==

<source lang="csharp">using System;
using System.Collections;
class MainClass
{
public static void Main()
{
SortedList mySortedList = new SortedList();
mySortedList.Add("NY", "New York");
mySortedList.Add("FL", "Florida");
mySortedList.Add("AL", "Alabama");
mySortedList.Add("WY", "Wyoming");
mySortedList.Add("CA", "California");
foreach (string myKey in mySortedList.Keys)
{
Console.WriteLine("myKey = " + myKey);
}
foreach(string myValue in mySortedList.Values)
{
Console.WriteLine("myValue = " + myValue);
}

int myIndex = mySortedList.IndexOfKey("NY");
Console.WriteLine("The index of NY is " + myIndex);
}
}</source>
<pre class=codeResult>myKey = AL
myKey = CA
myKey = FL
myKey = NY
myKey = WY
myValue = Alabama
myValue = California
myValue = Florida
myValue = New York
myValue = Wyoming
The index of NY is 3</pre>

==Get the index of the element with a value using the IndexOfValue() method==

<source lang="csharp">using System;
using System.Collections;
class MainClass
{
public static void Main()
{
SortedList mySortedList = new SortedList();
mySortedList.Add("NY", "New York");
mySortedList.Add("FL", "Florida");
mySortedList.Add("AL", "Alabama");
mySortedList.Add("WY", "Wyoming");
mySortedList.Add("CA", "California");
foreach (string myKey in mySortedList.Keys)
{
Console.WriteLine("myKey = " + myKey);
}
foreach(string myValue in mySortedList.Values)
{
Console.WriteLine("myValue = " + myValue);
}
int myIndex = mySortedList.IndexOfValue("New York");
Console.WriteLine("The index of New York is " + myIndex);
}
}</source>
<pre class=codeResult>myKey = AL
myKey = CA
myKey = FL
myKey = NY
myKey = WY
myValue = Alabama
myValue = California
myValue = Florida
myValue = New York
myValue = Wyoming
The index of New York is 3</pre>

==Get the key at index 3 using the GetKey() method==

<source lang="csharp">using System;
using System.Collections;
class MainClass
{
public static void Main()
{
SortedList mySortedList = new SortedList();
mySortedList.Add("NY", "New York");
mySortedList.Add("FL", "Florida");
mySortedList.Add("AL", "Alabama");
mySortedList.Add("WY", "Wyoming");
mySortedList.Add("CA", "California");
foreach (string myKey in mySortedList.Keys)
{
Console.WriteLine("myKey = " + myKey);
}
foreach(string myValue in mySortedList.Values)
{
Console.WriteLine("myValue = " + myValue);
}

string keyAtIndex3 = (string) mySortedList.GetKey(3);
Console.WriteLine("The key at index 3 is " + keyAtIndex3);
}
}</source>
<pre class=codeResult>myKey = AL
myKey = CA
myKey = FL
myKey = NY
myKey = WY
myValue = Alabama
myValue = California
myValue = Florida
myValue = New York
myValue = Wyoming
The key at index 3 is NY</pre>

==Get the key list using the GetKeyList() method==

<source lang="csharp">using System;
using System.Collections;
class MainClass
{
public static void Main()
{
SortedList mySortedList = new SortedList();
mySortedList.Add("NY", "New York");
mySortedList.Add("FL", "Florida");
mySortedList.Add("AL", "Alabama");
mySortedList.Add("WY", "Wyoming");
mySortedList.Add("CA", "California");
foreach (string myKey in mySortedList.Keys)
{
Console.WriteLine("myKey = " + myKey);
}
foreach(string myValue in mySortedList.Values)
{
Console.WriteLine("myValue = " + myValue);
}
Console.WriteLine("Getting the key list");
IList myKeyList = mySortedList.GetKeyList();
foreach(string myKey in myKeyList)
{
Console.WriteLine("myKey = " + myKey);
}
}
}</source>
<pre class=codeResult>myKey = AL
myKey = CA
myKey = FL
myKey = NY
myKey = WY
myValue = Alabama
myValue = California
myValue = Florida
myValue = New York
myValue = Wyoming
Getting the key list
myKey = AL
myKey = CA
myKey = FL
myKey = NY
myKey = WY</pre>

==Get the value list using the GetValueList() method==

<source lang="csharp">using System;
using System.Collections;
class MainClass
{
public static void Main()
{
SortedList mySortedList = new SortedList();
mySortedList.Add("NY", "New York");
mySortedList.Add("FL", "Florida");
mySortedList.Add("AL", "Alabama");
mySortedList.Add("WY", "Wyoming");
mySortedList.Add("CA", "California");
foreach (string myKey in mySortedList.Keys)
{
Console.WriteLine("myKey = " + myKey);
}
foreach(string myValue in mySortedList.Values)
{
Console.WriteLine("myValue = " + myValue);
}
Console.WriteLine("Getting the value list");
IList myValueList = mySortedList.GetValueList();
foreach(string myValue in myValueList)
{
Console.WriteLine("myValue = " + myValue);
}
}
}</source>
<pre class=codeResult>myKey = AL
myKey = CA
myKey = FL
myKey = NY
myKey = WY
myValue = Alabama
myValue = California
myValue = Florida
myValue = New York
myValue = Wyoming
Getting the value list
myValue = Alabama
myValue = California
myValue = Florida
myValue = New York
myValue = Wyoming</pre>

==Get value by key indexer==

<source lang="csharp">using System;
using System.Collections;
class MainClass
{
public static void Main()
{
SortedList mySortedList = new SortedList();
mySortedList.Add("NY", "New York");
mySortedList.Add("FL", "Florida");
mySortedList.Add("AL", "Alabama");
mySortedList.Add("WY", "Wyoming");
mySortedList.Add("CA", "California");
string myState = (string) mySortedList["CA"];
Console.WriteLine("myState = " + myState);
// display the keys for mySortedList using the Keys property
foreach (string myKey in mySortedList.Keys) {
Console.WriteLine("myKey = " + myKey);
}
// display the values for mySortedList using the Values property
foreach(string myValue in mySortedList.Values) {
Console.WriteLine("myValue = " + myValue);
}
}
}</source>
<pre class=codeResult>myState = California
myKey = AL
myKey = CA
myKey = FL
myKey = NY
myKey = WY
myValue = Alabama
myValue = California
myValue = Florida
myValue = New York
myValue = Wyoming</pre>

==Show integer indexes of entries==

<source lang="csharp">using System;
using System.Collections;

class MainClass {
public static void Main() {
SortedList sl = new SortedList();

sl.Add("a", "1");
sl.Add("b", "2");
sl.Add("c", "3");
sl.Add("d", "4");

Console.WriteLine();

// Show integer indexes of entries.
Console.WriteLine("Integer indexes of entries.");
foreach(string str in sl.Keys)
Console.WriteLine(str + ": " + sl.IndexOfKey(str));
}
}</source>
<pre class=codeResult>Integer indexes of entries.
a: 0
b: 1
c: 2
d: 3</pre>

==Use the ContainsValue() method to check if mySortedList contains a value==

<source lang="csharp">using System;
using System.Collections;
class MainClass
{
public static void Main()
{
SortedList mySortedList = new SortedList();
mySortedList.Add("NY", "New York");
mySortedList.Add("FL", "Florida");
mySortedList.Add("AL", "Alabama");
mySortedList.Add("WY", "Wyoming");
mySortedList.Add("CA", "California");
foreach (string myKey in mySortedList.Keys)
{
Console.WriteLine("myKey = " + myKey);
}
foreach(string myValue in mySortedList.Values)
{
Console.WriteLine("myValue = " + myValue);
}

if (mySortedList.ContainsValue("Florida"))
{
Console.WriteLine("mySortedList contains the value Florida");
}
}
}</source>
<pre class=codeResult>myKey = AL
myKey = CA
myKey = FL
myKey = NY
myKey = WY
myValue = Alabama
myValue = California
myValue = Florida
myValue = New York
myValue = Wyoming
mySortedList contains the value Florida</pre>

==Use the Remove() method to remove a key from SortedList==

<source lang="csharp">using System;
using System.Collections;
class MainClass
{
public static void Main()
{
SortedList mySortedList = new SortedList();
mySortedList.Add("NY", "New York");
mySortedList.Add("FL", "Florida");
mySortedList.Add("AL", "Alabama");
mySortedList.Add("WY", "Wyoming");
mySortedList.Add("CA", "California");
foreach (string myKey in mySortedList.Keys)
{
Console.WriteLine("myKey = " + myKey);
}
foreach(string myValue in mySortedList.Values)
{
Console.WriteLine("myValue = " + myValue);
}

Console.WriteLine("Removing FL from mySortedList");
mySortedList.Remove("FL");
}
}</source>
<pre class=codeResult>myKey = AL
myKey = CA
myKey = FL
myKey = NY
myKey = WY
myValue = Alabama
myValue = California
myValue = Florida
myValue = New York
myValue = Wyoming
Removing FL from mySortedList</pre>

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Csharp/CSharp Tutorial/Data Structure/SortedList - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия