// Greenshot - a free and open source screenshot tool
// Copyright (C) 2007-2020 Thomas Braun, Jens Klingen, Robin Krom
//
// For more information see: http://getgreenshot.org/
// The Greenshot project is hosted on GitHub https://github.com/greenshot/greenshot
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 1 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see .
using GreenshotPlugin.Core.Enums;
using System.Diagnostics.Contracts;
using System.Runtime.InteropServices;
namespace GreenshotPlugin.Core
{
///
/// Extensions to handle the HResult
///
public static class HResultExtensions
{
///
/// Test if the HResult respresents a fail
///
/// HResult
/// bool
[Pure]
public static bool Failed(this HResult hResult)
{
return hResult < 0;
}
///
/// Test if the HResult respresents a success
///
/// HResult
/// bool
[Pure]
public static bool Succeeded(this HResult hResult)
{
return hResult >= HResult.S_OK;
}
///
/// Throw an exception on Failure
///
/// HResult
public static void ThrowOnFailure(this HResult hResult)
{
if (hResult.Failed())
{
throw Marshal.GetExceptionForHR((int)hResult);
}
}
}
}