Retrieves all environment variable names and their values from the current process.
Namespace:
System
Assembly:
mscorlib (in mscorlib.dll)
Visual Basic (Declaration)
Public Shared Function GetEnvironmentVariables As IDictionary
Dim returnValue As IDictionary
returnValue = Environment.GetEnvironmentVariables()
public static IDictionary GetEnvironmentVariables()
public:
static IDictionary^ GetEnvironmentVariables()
public static function GetEnvironmentVariables() : IDictionary
The names and values for the environment variables are stored as key-value pairs in the returned IDictionary.
The following code example demonstrates the GetEnvironmentVariables method.
' Sample for the Environment.GetEnvironmentVariables method
Imports System
Imports System.Collections
Class Sample
Public Shared Sub Main()
Console.WriteLine()
Console.WriteLine("GetEnvironmentVariables: ")
Dim environmentVariables As IDictionary = Environment.GetEnvironmentVariables()
Dim de As DictionaryEntry
For Each de In environmentVariables
Console.WriteLine(" {0} = {1}", de.Key, de.Value)
Next de
End Sub 'Main
End Class 'Sample
'
'This example produces the following results:
'(Any result that is lengthy, specific to the machine on which this sample was tested,
'or reveals information that should remain secure, has been omitted
'and marked "!---OMITTED---!".)
'
'GetEnvironmentVariables:
' !---OMITTED---!
'
// Sample for the Environment.GetEnvironmentVariables method
using System;
using System.Collections;
class Sample
{
public static void Main()
{
Console.WriteLine();
Console.WriteLine("GetEnvironmentVariables: ");
IDictionary environmentVariables = Environment.GetEnvironmentVariables();
foreach (DictionaryEntry de in environmentVariables)
{
Console.WriteLine(" {0} = {1}", de.Key, de.Value);
}
}
}
/*
This example produces the following results:
(Any result that is lengthy, specific to the machine on which this sample was tested, or reveals information that should remain secure, has been omitted and marked "!---OMITTED---!".)
GetEnvironmentVariables:
!---OMITTED---!
*/
// Sample for the Environment::GetEnvironmentVariables method
using namespace System;
using namespace System::Collections;
int main()
{
Console::WriteLine();
Console::WriteLine( "GetEnvironmentVariables: " );
IDictionary^ environmentVariables = Environment::GetEnvironmentVariables();
IEnumerator^ myEnum = environmentVariables->GetEnumerator();
while ( myEnum->MoveNext() )
{
DictionaryEntry^ de = safe_cast<DictionaryEntry^>(myEnum->Current);
Console::WriteLine( " {0} = {1}", de->Key, de->Value );
}
}
/*
This example produces the following results:
(Any result that is lengthy, specific to the machine on which this sample was tested, or reveals information that should remain secure, has been omitted and marked S"!---OMITTED---!".)
GetEnvironmentVariables:
!---OMITTED---!
*/
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
.NET Framework
Supported in: 3.5, 3.0, 2.0, 1.1, 1.0
Reference