- 1 year ago
How can I call Environment.GetEnvironmentVariable without losing the %PathVariableName% such as %SystemRoot%
When calling Environment.GetEnvironmentVariable
in C# or .NET, the method returns the value of an environment variable without expanding any embedded environment variable references (such as %SystemRoot%
). If you want to retrieve the value of an environment variable while preserving the embedded references, you can use the Environment.ExpandEnvironmentVariables
method.
Here's an example of how to use ExpandEnvironmentVariables
:
csharpstring variableName = "PathVariableName"; // Replace with the actual environment variable name
string variableValue = Environment.GetEnvironmentVariable(variableName);
string expandedValue = Environment.ExpandEnvironmentVariables(variableValue);
Console.WriteLine(expandedValue);
In this code snippet, variableName
should be replaced with the name of the environment variable you want to retrieve.
The Environment.ExpandEnvironmentVariables
method takes a string input and replaces any embedded environment variable references with their corresponding values. By passing the variableValue
obtained from GetEnvironmentVariable
, you can expand the references and obtain the desired result.
For example, if PathVariableName
is set to %SystemRoot%
, ExpandEnvironmentVariables
will replace %SystemRoot%
with the actual value, such as C:\Windows
, if that is the system's root directory.
By using ExpandEnvironmentVariables
, you can obtain the value of an environment variable while preserving the embedded environment variable references in the string.