/// <summary>
/// Sets the value of an existing variable or
/// create a new variable if it does not exist.
/// </summary>
///
/// <param name="variable">
/// The name of the variables to retrieve.
/// </param>
///
/// <param name="value">
/// The new value of the variable
/// </param>
///
/// <param name="scope">
/// The scope tp create the variable.
/// </param>
///
protected void SetVariable(string variable, string value, EnvironmentVariableTarget scope)
{
EnvironmentVariable envvar = new EnvironmentVariable(variable, value, scope);
envvar.Activate();
}