1  // Copyright (c) Microsoft Corporation
 2  // The Microsoft Corporation licenses this file to you under the MIT license.
 3  // See the LICENSE file in the project root for more information.
 4  
 5  using System;
 6  using System.Runtime.InteropServices;
 7  
 8  namespace PowerLauncher.Helper
 9  {
10      [System.Diagnostics.CodeAnalysis.SuppressMessage("StyleCop.CSharp.NamingRules", "SA1310:Field names should not contain underscore", Justification = "Win32 naming conventions")]
11      internal static class ExceptionHelper
12      {
13          private const string PresentationFrameworkExceptionSource = "PresentationFramework";
14  
15          private const int DWM_E_COMPOSITIONDISABLED = unchecked((int)0x80263001);
16  
17          // HRESULT for NT STATUS STATUS_MESSAGE_LOST (0xC0000701 | 0x10000000 == 0xD0000701)
18          private const int STATUS_MESSAGE_LOST_HR = unchecked((int)0xD0000701);
19  
20          /// <summary>
21          /// Returns true if the exception is a recoverable DWM composition exception.
22          /// </summary>
23          internal static bool IsRecoverableDwmCompositionException(Exception exception)
24          {
25              if (exception is not COMException comException)
26              {
27                  return false;
28              }
29  
30              if (comException.HResult is DWM_E_COMPOSITIONDISABLED)
31              {
32                  return true;
33              }
34  
35              if (comException.HResult is STATUS_MESSAGE_LOST_HR && comException.Source == PresentationFrameworkExceptionSource)
36              {
37                  return true;
38              }
39  
40              // Check for common DWM composition changed patterns in the stack trace
41              var stackTrace = comException.StackTrace;
42              return !string.IsNullOrEmpty(stackTrace) &&
43                     stackTrace.Contains("DwmCompositionChanged");
44          }
45      }
46  }