<SecurityPermissionAttribute(SecurityAction.LinkDemand, UnmanagedCode := True)> _
Public Shared Sub ExecuteCodeWithGuaranteedCleanup ( _
    code As RuntimeHelpers..::.TryCode, _
    backoutCode As RuntimeHelpers..::.CleanupCode, _
    userData As Object _
)

Dim code As RuntimeHelpers..::.TryCode
Dim backoutCode As RuntimeHelpers..::.CleanupCode
Dim userData As Object

RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(code, _
    backoutCode, userData)

[SecurityPermissionAttribute(SecurityAction.LinkDemand, UnmanagedCode = true)]
public static void ExecuteCodeWithGuaranteedCleanup(
    RuntimeHelpers..::.TryCode code,
    RuntimeHelpers..::.CleanupCode backoutCode,
    Object userData
)

[SecurityPermissionAttribute(SecurityAction::LinkDemand, UnmanagedCode = true)]
public:
static void ExecuteCodeWithGuaranteedCleanup(
    RuntimeHelpers..::.TryCode^ code, 
    RuntimeHelpers..::.CleanupCode^ backoutCode, 
    Object^ userData
)

public static function ExecuteCodeWithGuaranteedCleanup(
    code : RuntimeHelpers..::.TryCode, 
    backoutCode : RuntimeHelpers..::.CleanupCode, 
    userData : Object
)