shared source/wpf/src/host/dll/errorpage.hxx

   1 //+-----------------------------------------------------------------------
   2 //
   3 //  Copyright (c) Microsoft Corporation.  All rights reserved.
   4 //
   5 //  Description:
   6 //     Defines the ErrorPage class of PresentationHost.
   7 //
   8 //  History:
   9 //     2005/10/10 - [....]
  10 //          Created
  11 //     2007/09/20-[....]
  12 //          Ported Windows->DevDiv. See SourcesHistory.txt.
  13 //
  14 //------------------------------------------------------------------------
  15
  16 #pragma once
  17
  18 class CErrorPage
  19 {
  20 public:
  21     // Display() returns only if called on the main thread and the browser is currently blocked.
  22     static void Display(__in_ecount(1) BSTR pErrorMsg);
  23     static bool IsActive() { return s_fIsActive != 0; }
  24
  25     static void SetRect(int x, int y, int width, int height);
  26     static bool ExecOleCommand(__in_opt const GUID * pguidCmdGroup, DWORD dwCmdId, DWORD /*nCmdExecOpt*/,
  27                    __in_opt VARIANT * /*pvarArgIn*/, __out_opt VARIANT * /*pvarArgOut*/);
  28
  29     static HRESULT RestartApplication();
  30
  31 private:
  32     __declspec(align(4)) static volatile LONG s_fIsActive;
  33     static DWORD s_threadId;
  34     static HWND s_hWnd, s_hRBW;
  35
  36     static void DisplayOnAnyThread(__in_ecount(1) BSTR pErrorMsg);
  37     static HRESULT LoadAndFixUpHtmlTemplate(__out _bstr_t &htmlTemplate);
  38     static bool GetShowDetailsRegistryFlag();
  39     static void DisableTextAreaCloseTag(__inout wchar_t *str);
  40     static _bstr_t ListLoadedModules();
  41
  42     static HRESULT SetUpHostWindow();
  43     static LRESULT WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
  44 };