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483 lines
11 KiB
483 lines
11 KiB
//+--------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1994 - 1998.
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//
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// File: password.cxx
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//
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// Contents: Implementation of class used to prompt user for credentials.
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//
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// Classes: CMessageDlg
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//
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// History: 06-28-1998 DavidMun Created
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//
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//---------------------------------------------------------------------------
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#include "headers.hxx"
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#pragma hdrstop
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inline LONG
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WindowRectWidth(
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const RECT &rc)
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{
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return rc.right - rc.left;
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}
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inline LONG
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WindowRectHeight(
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const RECT &rc)
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{
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return rc.bottom - rc.top;
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}
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//+--------------------------------------------------------------------------
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//
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// Function: PopupMessage
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//
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// Synopsis: Invoke a modal dialog to display a formatted message string.
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//
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// Arguments: [idsMessage] - resource id of printf style format string
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// [...] - arguments required for string
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//
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// History: 07-06-1998 DavidMun Created
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//
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//---------------------------------------------------------------------------
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void
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PopupMessage(
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ULONG idsMessage,
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...)
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{
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va_list valArgs;
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va_start(valArgs, idsMessage);
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CMessageDlg MessageDlg;
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MessageDlg.DoModalDialog(NULL,
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IDI_ERROR,
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NULL,
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0,
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0,
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idsMessage,
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valArgs);
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va_end(valArgs);
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}
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//+--------------------------------------------------------------------------
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//
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// Function: PopupMessageEx
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//
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// Synopsis: Invoke a modal dialog to display a formatted message string.
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//
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// Arguments: [idIcon] - resource identifier of system icon
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// [idsMessage] - resource id of printf style format string
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// [...] - arguments required for string
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//
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// History: 07-06-1998 DavidMun Created
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//
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//---------------------------------------------------------------------------
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void
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PopupMessageEx(
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PCWSTR idIcon,
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ULONG idsMessage,
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...)
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{
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va_list valArgs;
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va_start(valArgs, idsMessage);
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CMessageDlg MessageDlg;
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MessageDlg.DoModalDialog(NULL,
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idIcon,
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NULL,
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0,
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0,
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idsMessage,
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valArgs);
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va_end(valArgs);
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}
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//+--------------------------------------------------------------------------
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//
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// Function: PopupMessageAndCode
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//
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// Synopsis: Invoke a modal dialog to display a formatted message string
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// and error code.
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//
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// Arguments: [pwzFileName] - error code's file name
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// [ulLineNo] - error code's line number
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// [hr] - error code's HRESULT
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// [idsMessage] - resource id of printf style format string
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// [...] - arguments required for string
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//
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// History: 07-06-1998 DavidMun Created
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//
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//---------------------------------------------------------------------------
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void
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PopupMessageAndCode(
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PCWSTR pwzFileName,
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ULONG ulLineNo,
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HRESULT hr,
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ULONG idsMessage,
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...)
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{
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va_list valArgs;
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va_start(valArgs, idsMessage);
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CMessageDlg MessageDlg;
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MessageDlg.DoModalDialog(NULL,
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IDI_ERROR,
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pwzFileName,
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ulLineNo,
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hr,
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idsMessage,
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valArgs);
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va_end(valArgs);
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}
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//+--------------------------------------------------------------------------
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//
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// Function: LoadStr
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//
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// Synopsis: Load string with resource id [ids] into buffer [wszBuf],
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// which is of size [cchBuf] characters.
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//
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// Arguments: [ids] - string to load
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// [wszBuf] - buffer for string
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// [cchBuf] - size of buffer
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// [wszDefault] - NULL or string to use if load fails
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//
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// Returns: S_OK or error from LoadString
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//
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// Modifies: *[wszBuf]
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//
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// History: 12-11-1996 DavidMun Created
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//
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// Notes: If the load fails and no default is supplied, [wszBuf] is
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// set to an empty string.
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//
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//---------------------------------------------------------------------------
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HRESULT
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LoadStr(
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ULONG ids,
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LPWSTR wszBuf,
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ULONG cchBuf,
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LPCWSTR wszDefault)
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{
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HRESULT hr = S_OK;
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ULONG cchLoaded;
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cchLoaded = LoadString(GetModuleHandle(NULL), ids, wszBuf, cchBuf);
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if (!cchLoaded)
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{
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hr = HRESULT_FROM_WIN32(GetLastError());
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if (wszDefault)
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{
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lstrcpyn(wszBuf, wszDefault, cchBuf);
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}
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else
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{
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*wszBuf = L'\0';
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}
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}
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return hr;
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}
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//+--------------------------------------------------------------------------
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//
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// Member: CMessageDlg::DoModalDialog
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//
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// Synopsis: Invoke a modal dialog to display a message.
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//
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// Arguments: [hinstIcon] - NULL or module handle where icon lives
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// [idIcon] - resource identifier of icon to display
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// [pwzFile] - error code's file name
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// [ulLine] - error code's line number
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// [ulErrorCode] - error code's error value
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// [idsMessage] - resource id of printf style format string
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// [valArgs] - arguments required for string
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//
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// Returns: HRESULT
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//
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// History: 07-06-1998 DavidMun Created
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//
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//---------------------------------------------------------------------------
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INT_PTR
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CMessageDlg::DoModalDialog(
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HINSTANCE hinstIcon,
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PCWSTR idIcon,
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PCWSTR pwzFile,
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ULONG ulLine,
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ULONG ulErrorCode,
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ULONG idsMessage,
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va_list valArgs)
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{
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m_hinstIcon = hinstIcon;
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m_idIcon = idIcon;
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if (pwzFile)
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{
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wsprintf(m_wzErrorCode, L"%ws %u %x", pwzFile, ulLine, ulErrorCode);
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}
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WCHAR wzMessageFmt[MAX_PATH];
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LoadStr(idsMessage, wzMessageFmt, MAX_PATH, L"");
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PWSTR pwzTemp = NULL;
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ULONG ulResult;
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ulResult = FormatMessageW(FORMAT_MESSAGE_FROM_STRING
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| FORMAT_MESSAGE_ALLOCATE_BUFFER,
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wzMessageFmt,
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0,
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0,
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(LPWSTR) &pwzTemp,
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0,
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&valArgs);
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if (ulResult)
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{
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m_pwzMessage = new WCHAR[lstrlen(pwzTemp) + 1];
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lstrcpy(m_pwzMessage, pwzTemp);
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LocalFree(pwzTemp);
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}
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return _DoModalDlg(NULL, IDD_ERROR);
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}
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//+--------------------------------------------------------------------------
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//
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// Member: CMessageDlg::_OnInit
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//
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// Synopsis: Initialize dialog controls
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//
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// Arguments: [pfSetFocus] - unused
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//
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// Returns: S_OK
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//
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// History: 06-28-1998 DavidMun Created
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//
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//---------------------------------------------------------------------------
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HRESULT
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CMessageDlg::_OnInit(
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bool *pfSetFocus)
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{
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//
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// The error dialog has these components:
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//
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// 1. caption
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// 2. icon
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// 3. error message
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// 4. error code
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//
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// The last is optional.
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//
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//
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// Set the icon.
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//
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HICON hIcon = LoadIcon(m_hinstIcon, m_idIcon);
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if (hIcon)
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{
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SendDlgItemMessage(m_hwnd,
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IDC_POPUP_MSG_ICON,
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STM_SETICON,
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(WPARAM)hIcon,
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0L);
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}
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//
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// Set the error message static
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//
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Static_SetText(_hCtrl(IDC_ERRORMSG), m_pwzMessage);
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//
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// If there is an error code string, set it, otherwise hide
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// the edit control and its label and resize the dialog to
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// eliminate the empty space.
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//
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if (*m_wzErrorCode)
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{
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Static_SetText(_hCtrl(IDC_ERROR_CODE_EDIT), m_wzErrorCode);
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}
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else
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{
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EnableWindow(_hCtrl(IDC_ERROR_CODE_LBL), false);
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EnableWindow(_hCtrl(IDC_ERROR_CODE_EDIT), false);
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ShowWindow(_hCtrl(IDC_ERROR_CODE_LBL), SW_HIDE);
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ShowWindow(_hCtrl(IDC_ERROR_CODE_EDIT), SW_HIDE);
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RECT rcClose;
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RECT rcEdit;
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_GetChildWindowRect(_hCtrl(IDCANCEL), &rcClose);
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_GetChildWindowRect(_hCtrl(IDC_ERROR_CODE_EDIT), &rcEdit);
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//
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// Move the Close button up on top of the hidden edit control
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//
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SetWindowPos(_hCtrl(IDCANCEL),
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NULL,
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rcClose.left,
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rcEdit.top,
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0,
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0,
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SWP_NOSIZE | SWP_NOZORDER);
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//
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// Shrink the dialog vertically by the amount the button was
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// moved up
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//
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LONG cyDelta = rcClose.top - rcEdit.top;
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RECT rcDialog;
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GetWindowRect(m_hwnd, &rcDialog);
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SetWindowPos(m_hwnd,
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NULL,
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0,
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0,
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WindowRectWidth(rcDialog),
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WindowRectHeight(rcDialog) - cyDelta,
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SWP_NOMOVE | SWP_NOZORDER);
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}
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return S_OK;
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}
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//+--------------------------------------------------------------------------
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//
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// Member: CMessageDlg::_OnCommand
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//
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// Synopsis: Handle user input.
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//
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// Arguments: standard windows
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//
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// Returns: standard windows
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//
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// History: 06-28-1998 DavidMun Created
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//
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//---------------------------------------------------------------------------
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bool
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CMessageDlg::_OnCommand(
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WPARAM wParam,
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LPARAM lParam)
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{
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bool fNotHandled = false;
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switch (LOWORD(wParam))
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{
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case IDCANCEL:
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EndDialog(m_hwnd, 0);
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break;
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default:
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fNotHandled = true;
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break;
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}
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return fNotHandled;
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}
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//+--------------------------------------------------------------------------
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//
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// Function: InvokeWinHelp
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//
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// Synopsis: Helper (ahem) function to invoke winhelp.
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//
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// Arguments: [message] - WM_CONTEXTMENU or WM_HELP
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// [wParam] - depends on [message]
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// [wszHelpFileName] - filename with or without path
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// [aulControlIdToHelpIdMap] - see WinHelp API
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//
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// History: 06-10-1997 DavidMun Created
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//
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//---------------------------------------------------------------------------
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void
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InvokeWinHelp(
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UINT message,
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WPARAM wParam,
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LPARAM lParam,
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PCWSTR wszHelpFileName,
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ULONG aulControlIdToHelpIdMap[])
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{
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switch (message)
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{
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case WM_CONTEXTMENU: // Right mouse click - "What's This" context menu
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WinHelp((HWND) wParam,
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wszHelpFileName,
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HELP_CONTEXTMENU,
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(DWORD_PTR) aulControlIdToHelpIdMap);
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break;
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case WM_HELP: // Help from the "?" dialog
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{
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const LPHELPINFO pHelpInfo = (LPHELPINFO) lParam;
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if (pHelpInfo && pHelpInfo->iContextType == HELPINFO_WINDOW)
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{
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WinHelp((HWND) pHelpInfo->hItemHandle,
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wszHelpFileName,
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HELP_WM_HELP,
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(DWORD_PTR) aulControlIdToHelpIdMap);
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}
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break;
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}
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default:
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break;
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}
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}
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