NameObjectCollectionBase.BaseGetAllValues Method
Definition
Important
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Returns an array that contains all the values in the NameObjectCollectionBase instance.
Overloads
BaseGetAllValues() |
Returns an Object array that contains all the values in the NameObjectCollectionBase instance. |
BaseGetAllValues(Type) |
Returns an array of the specified type that contains all the values in the NameObjectCollectionBase instance. |
BaseGetAllValues()
- Source:
- NameObjectCollectionBase.cs
- Source:
- NameObjectCollectionBase.cs
- Source:
- NameObjectCollectionBase.cs
Returns an Object array that contains all the values in the NameObjectCollectionBase instance.
protected:
cli::array <System::Object ^> ^ BaseGetAllValues();
protected object[] BaseGetAllValues ();
protected object?[] BaseGetAllValues ();
member this.BaseGetAllValues : unit -> obj[]
Protected Function BaseGetAllValues () As Object()
Returns
An Object array that contains all the values in the NameObjectCollectionBase instance.
Examples
The following code example uses BaseGetAllKeys and BaseGetAllValues to get an array of the keys or an array of the values.
#using <System.dll>
using namespace System;
using namespace System::Collections;
using namespace System::Collections::Specialized;
public ref class MyCollection : public NameObjectCollectionBase {
private:
DictionaryEntry^ _de;
// Gets a key-and-value pair (DictionaryEntry) using an index.
public:
property DictionaryEntry^ default[ int ] {
DictionaryEntry^ get(int index) {
_de->Key = this->BaseGetKey( index );
_de->Value = this->BaseGet( index );
return( _de );
}
}
// Adds elements from an IDictionary into the new collection.
MyCollection( IDictionary^ d ) {
_de = gcnew DictionaryEntry();
for each ( DictionaryEntry^ de in d ) {
this->BaseAdd( (String^) de->Key, de->Value );
}
}
// Gets a String array that contains all the keys in the collection.
property array<String^>^ AllKeys {
array<String^>^ get() {
return( this->BaseGetAllKeys() );
}
}
// Gets an Object array that contains all the values in the collection.
property Array^ AllValues {
Array^ get() {
return( this->BaseGetAllValues() );
}
}
// Gets a String array that contains all the values in the collection.
property array<String^>^ AllStringValues {
array<String^>^ get() {
return( (array<String^>^) this->BaseGetAllValues( System::String::typeid ) );
}
}
};
public ref class SamplesNameObjectCollectionBase {
public:
static void Main() {
// Creates and initializes a new MyCollection instance.
IDictionary^ d = gcnew ListDictionary();
d->Add( "red", "apple" );
d->Add( "yellow", "banana" );
d->Add( "green", "pear" );
MyCollection^ myCol = gcnew MyCollection( d );
Console::WriteLine( "Initial state of the collection (Count = {0}):", myCol->Count );
PrintKeysAndValues( myCol );
// Displays the list of keys.
Console::WriteLine( "The list of keys:" );
for each ( String^ s in myCol->AllKeys ) {
Console::WriteLine( " {0}", s );
}
// Displays the list of values of type Object.
Console::WriteLine( "The list of values (Object):" );
for each ( Object^ o in myCol->AllValues ) {
Console::WriteLine( " {0}", o->ToString() );
}
// Displays the list of values of type String.
Console::WriteLine( "The list of values (String):" );
for each ( String^ s in myCol->AllValues ) {
Console::WriteLine( " {0}", s );
}
}
public:
static void PrintKeysAndValues( MyCollection^ myCol ) {
for ( int i = 0; i < myCol->Count; i++ ) {
Console::WriteLine( "[{0}] : {1}, {2}", i, myCol[i]->Key, myCol[i]->Value );
}
}
};
int main()
{
SamplesNameObjectCollectionBase::Main();
}
/*
This code produces the following output.
Initial state of the collection (Count = 3):
[0] : red, apple
[1] : yellow, banana
[2] : green, pear
The list of keys:
red
yellow
green
The list of values (Object):
apple
banana
pear
The list of values (String):
apple
banana
pear
*/
using System;
using System.Collections;
using System.Collections.Specialized;
public class MyCollection : NameObjectCollectionBase {
private DictionaryEntry _de = new DictionaryEntry();
// Gets a key-and-value pair (DictionaryEntry) using an index.
public DictionaryEntry this[ int index ] {
get {
_de.Key = this.BaseGetKey( index );
_de.Value = this.BaseGet( index );
return( _de );
}
}
// Adds elements from an IDictionary into the new collection.
public MyCollection( IDictionary d ) {
foreach ( DictionaryEntry de in d ) {
this.BaseAdd( (String) de.Key, de.Value );
}
}
// Gets a String array that contains all the keys in the collection.
public String[] AllKeys {
get {
return( this.BaseGetAllKeys() );
}
}
// Gets an Object array that contains all the values in the collection.
public Array AllValues {
get {
return( this.BaseGetAllValues() );
}
}
// Gets a String array that contains all the values in the collection.
public String[] AllStringValues {
get {
return( (String[]) this.BaseGetAllValues( typeof(System.String) ) );
}
}
}
public class SamplesNameObjectCollectionBase {
public static void Main() {
// Creates and initializes a new MyCollection instance.
IDictionary d = new ListDictionary();
d.Add( "red", "apple" );
d.Add( "yellow", "banana" );
d.Add( "green", "pear" );
MyCollection myCol = new MyCollection( d );
Console.WriteLine( "Initial state of the collection (Count = {0}):", myCol.Count );
PrintKeysAndValues( myCol );
// Displays the list of keys.
Console.WriteLine( "The list of keys:" );
foreach ( String s in myCol.AllKeys ) {
Console.WriteLine( " {0}", s );
}
// Displays the list of values of type Object.
Console.WriteLine( "The list of values (Object):" );
foreach ( Object o in myCol.AllValues ) {
Console.WriteLine( " {0}", o.ToString() );
}
// Displays the list of values of type String.
Console.WriteLine( "The list of values (String):" );
foreach ( String s in myCol.AllValues ) {
Console.WriteLine( " {0}", s );
}
}
public static void PrintKeysAndValues( MyCollection myCol ) {
for ( int i = 0; i < myCol.Count; i++ ) {
Console.WriteLine( "[{0}] : {1}, {2}", i, myCol[i].Key, myCol[i].Value );
}
}
}
/*
This code produces the following output.
Initial state of the collection (Count = 3):
[0] : red, apple
[1] : yellow, banana
[2] : green, pear
The list of keys:
red
yellow
green
The list of values (Object):
apple
banana
pear
The list of values (String):
apple
banana
pear
*/
Imports System.Collections
Imports System.Collections.Specialized
Public Class MyCollection
Inherits NameObjectCollectionBase
Private _de As New DictionaryEntry()
' Gets a key-and-value pair (DictionaryEntry) using an index.
Default Public ReadOnly Property Item(index As Integer) As DictionaryEntry
Get
_de.Key = Me.BaseGetKey(index)
_de.Value = Me.BaseGet(index)
Return _de
End Get
End Property
' Adds elements from an IDictionary into the new collection.
Public Sub New(d As IDictionary)
Dim de As DictionaryEntry
For Each de In d
Me.BaseAdd(CType(de.Key, String), de.Value)
Next de
End Sub
' Gets a String array that contains all the keys in the collection.
Public ReadOnly Property AllKeys() As String()
Get
Return Me.BaseGetAllKeys()
End Get
End Property
' Gets an Object array that contains all the values in the collection.
Public ReadOnly Property AllValues() As Array
Get
Return Me.BaseGetAllValues()
End Get
End Property
' Gets a String array that contains all the values in the collection.
Public ReadOnly Property AllStringValues() As String()
Get
Return CType(Me.BaseGetAllValues(GetType(String)), String())
End Get
End Property
End Class
Public Class SamplesNameObjectCollectionBase
Public Shared Sub Main()
' Creates and initializes a new MyCollection instance.
Dim d As New ListDictionary()
d.Add("red", "apple")
d.Add("yellow", "banana")
d.Add("green", "pear")
Dim myCol As New MyCollection(d)
Console.WriteLine("Initial state of the collection (Count = {0}):", myCol.Count)
PrintKeysAndValues(myCol)
' Displays the list of keys.
Console.WriteLine("The list of keys:")
Dim s As String
For Each s In myCol.AllKeys
Console.WriteLine(" {0}", s)
Next s
' Displays the list of values of type Object.
Console.WriteLine("The list of values (Object):")
Dim o As Object
For Each o In myCol.AllValues
Console.WriteLine(" {0}", o.ToString())
Next o
' Displays the list of values of type String.
Console.WriteLine("The list of values (String):")
For Each s In myCol.AllValues
Console.WriteLine(" {0}", s)
Next s
End Sub
Public Shared Sub PrintKeysAndValues(myCol As MyCollection)
Dim i As Integer
For i = 0 To myCol.Count - 1
Console.WriteLine("[{0}] : {1}, {2}", i, myCol(i).Key, myCol(i).Value)
Next i
End Sub
End Class
'This code produces the following output.
'
'Initial state of the collection (Count = 3):
'[0] : red, apple
'[1] : yellow, banana
'[2] : green, pear
'The list of keys:
' red
' yellow
' green
'The list of values (Object):
' apple
' banana
' pear
'The list of values (String):
' apple
' banana
' pear
Remarks
This method is an O(n
) operation, where n
is Count.
Applies to
BaseGetAllValues(Type)
- Source:
- NameObjectCollectionBase.cs
- Source:
- NameObjectCollectionBase.cs
- Source:
- NameObjectCollectionBase.cs
Returns an array of the specified type that contains all the values in the NameObjectCollectionBase instance.
protected:
cli::array <System::Object ^> ^ BaseGetAllValues(Type ^ type);
protected object[] BaseGetAllValues (Type type);
protected object?[] BaseGetAllValues (Type type);
member this.BaseGetAllValues : Type -> obj[]
Protected Function BaseGetAllValues (type As Type) As Object()
Parameters
Returns
An array of the specified type that contains all the values in the NameObjectCollectionBase instance.
Exceptions
type
is null
.
type
is not a valid Type.
Remarks
This method is an O(n
) operation, where n
is Count.
See also
Applies to
Обратна връзка
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