Visual Basic (Declaration)
C#

The function returns true if the HRESULTS code is a failure code. It returns false for S_OK or any success code such as S_FALSE.

Syntax

Visual Basic (Declaration)
Public Shared Function Failed( _ ByVal hresultcode As Integer _ ) As Boolean

C#
public static bool Failed( int hresultcode )

returns true if the HRESULTS code is an error code.

Requirements

Target Platforms: Windows 7/8/10, Windows Server 2008/2012/2016, .NET 4.x