// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Runtime.InteropServices;
 
namespace Microsoft.Win32.SafeHandles;
 
internal sealed class CoTaskMemSafeHandle : SafeHandle
{
    internal CoTaskMemSafeHandle() : base(IntPtr.Zero, true)
    {
    }
 
    public override bool IsInvalid => IsClosed || handle == IntPtr.Zero;
 
    protected override bool ReleaseHandle()
    {
        Marshal.FreeCoTaskMem(handle);
        handle = IntPtr.Zero;
        return true;
    }
}