343 lines
8.1 KiB
C++
343 lines
8.1 KiB
C++
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/////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 1996-1997 Microsoft Corporation
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//
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// Module Name:
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// DDxDDv.cpp
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//
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// Abstract:
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// Implementation of custom dialog data exchange/dialog data validation
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// routines.
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//
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// Author:
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// David Potter (davidp) September 5, 1996
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//
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// Revision History:
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//
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// Notes:
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//
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/////////////////////////////////////////////////////////////////////////////
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#include <afxwin.h>
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#include <resapi.h>
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#include "DDxDDv.h"
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#include "AdmCommonRes.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// Static Function Prototypes
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/////////////////////////////////////////////////////////////////////////////
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void CleanupLabel(LPTSTR psz);
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// DDX_Number
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//
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// Routine Description:
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// Do data exchange between the dialog and the class.
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//
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// Arguments:
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// pDX [IN OUT] Data exchange object
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// nIDC [IN] Control ID.
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// dwValue [IN OUT] Value to set or get.
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// dwMin [IN] Minimum value.
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// dwMax [IN] Maximum value.
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// bSigned [IN] TRUE = value is signed, FALSE = value is unsigned
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//
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// Return Value:
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// None.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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void AFXAPI DDX_Number(
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IN OUT CDataExchange * pDX,
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IN int nIDC,
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IN OUT DWORD & rdwValue,
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IN DWORD dwMin,
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IN DWORD dwMax,
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IN BOOL bSigned
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)
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{
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HWND hwndCtrl;
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DWORD dwValue;
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ASSERT(pDX != NULL);
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#ifdef _DEBUG
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if (bSigned)
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{
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ASSERT((LONG) dwMin < (LONG) dwMax);
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}
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else
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{
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ASSERT(dwMin < dwMax);
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}
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#endif // _DEBUG
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// Get the control window handle.
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hwndCtrl = pDX->PrepareEditCtrl(nIDC);
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if (pDX->m_bSaveAndValidate)
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{
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BOOL bTranslated;
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// Get the number from the control.
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dwValue = GetDlgItemInt(pDX->m_pDlgWnd->m_hWnd, nIDC, &bTranslated, bSigned);
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// If the retrival failed, it is a signed number, and the minimum
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// value is the smallest negative value possible, check the string itself.
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if (!bTranslated && bSigned && (dwMin == 0x80000000))
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{
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UINT cch;
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TCHAR szNumber[20];
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// See if it is the smallest negative number.
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cch = GetDlgItemText(pDX->m_pDlgWnd->m_hWnd, nIDC, szNumber, sizeof(szNumber) / sizeof(TCHAR));
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if ((cch != 0) && (lstrcmp(szNumber, _T("-2147483648")) == 0))
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{
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dwValue = 0x80000000;
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bTranslated = TRUE;
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} // if: text retrieved successfully and is highest negative number
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} // if: error translating number and getting signed number
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// If the retrieval failed or the specified number is
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// out of range, display an error.
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if ( !bTranslated
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|| (bSigned && (((LONG) dwValue < (LONG) dwMin) || ((LONG) dwValue > (LONG) dwMax)))
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|| (!bSigned && ((dwValue < dwMin) || (dwValue > dwMax)))
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)
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{
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TCHAR szMin[32];
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TCHAR szMax[32];
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CString strPrompt;
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if (bSigned)
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{
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wsprintf(szMin, _T("%d%"), dwMin);
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wsprintf(szMax, _T("%d%"), dwMax);
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} // if: signed number
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else
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{
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wsprintf(szMin, _T("%u%"), dwMin);
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wsprintf(szMax, _T("%u%"), dwMax);
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} // else: unsigned number
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AfxFormatString2(strPrompt, AFX_IDP_PARSE_INT_RANGE, szMin, szMax);
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AfxMessageBox(strPrompt, MB_ICONEXCLAMATION, AFX_IDP_PARSE_INT_RANGE);
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strPrompt.Empty(); // exception prep
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pDX->Fail();
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} // if: invalid string
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else
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rdwValue = dwValue;
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} // if: saving data
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else
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{
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CString strMinValue;
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CString strMaxValue;
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UINT cchMax;
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// Set the maximum number of characters that can be entered.
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if (bSigned)
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{
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strMinValue.Format(_T("%d"), dwMin);
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strMaxValue.Format(_T("%d"), dwMax);
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} // if: signed value
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else
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{
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strMinValue.Format(_T("%u"), dwMin);
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strMaxValue.Format(_T("%u"), dwMax);
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} // else: unsigned value
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cchMax = max(strMinValue.GetLength(), strMaxValue.GetLength());
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SendMessage(hwndCtrl, EM_LIMITTEXT, cchMax, 0);
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// Set the value into the control.
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if (bSigned)
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{
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LONG lValue = (LONG) rdwValue;
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DDX_Text(pDX, nIDC, lValue);
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} // if: signed value
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else
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DDX_Text(pDX, nIDC, rdwValue);
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} // else: setting data onto the dialog
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} //*** DDX_Number()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// DDV_RequiredText
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//
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// Routine Description:
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// Validate that the dialog string is present.
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//
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// Arguments:
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// pDX [IN OUT] Data exchange object
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// nIDC [IN] Control ID.
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// nIDCLabel [IN] Label control ID.
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// rstrValue [IN] Value to set or get.
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//
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// Return Value:
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// None.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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void AFXAPI DDV_RequiredText(
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IN OUT CDataExchange * pDX,
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IN int nIDC,
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IN int nIDCLabel,
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IN const CString & rstrValue
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)
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{
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ASSERT(pDX != NULL);
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if (pDX->m_bSaveAndValidate)
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{
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if (rstrValue.GetLength() == 0)
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{
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HWND hwndLabel;
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TCHAR szLabel[1024];
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CString strPrompt;
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// Get the label window handle
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hwndLabel = pDX->PrepareEditCtrl(nIDCLabel);
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// Get the text of the label.
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GetWindowText(hwndLabel, szLabel, sizeof(szLabel) / sizeof(TCHAR));
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// Remove ampersands (&) and colons (:).
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CleanupLabel(szLabel);
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// Format and display a message.
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strPrompt.FormatMessage(ADMC_IDS_REQUIRED_FIELD_EMPTY, szLabel);
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AfxMessageBox(strPrompt, MB_ICONEXCLAMATION);
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// Do this so that the control receives focus.
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(void) pDX->PrepareEditCtrl(nIDC);
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// Fail the call.
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strPrompt.Empty(); // exception prep
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pDX->Fail();
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} // if: field not specified
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} // if: saving data
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} //*** DDV_RequiredText()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// DDV_Path
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//
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// Routine Description:
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// Validate that the path string contains valid characters.
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//
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// Arguments:
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// pDX [IN OUT] Data exchange object
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// nIDC [IN] Control ID.
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// nIDCLabel [IN] Label control ID.
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// rstrValue [IN] Path to validate.
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//
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// Return Value:
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// None.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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void AFXAPI DDV_Path(
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IN OUT CDataExchange * pDX,
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IN int nIDC,
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IN int nIDCLabel,
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IN const CString & rstrValue
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)
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{
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ASSERT(pDX != NULL);
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if (pDX->m_bSaveAndValidate)
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{
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if (!ResUtilIsPathValid(rstrValue))
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{
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HWND hwndLabel;
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TCHAR szLabel[1024];
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CString strPrompt;
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// Get the label window handle
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hwndLabel = pDX->PrepareEditCtrl(nIDCLabel);
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// Get the text of the label.
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GetWindowText(hwndLabel, szLabel, sizeof(szLabel) / sizeof(TCHAR));
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// Remove ampersands (&) and colons (:).
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CleanupLabel(szLabel);
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// Format and display a message.
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strPrompt.FormatMessage(ADMC_IDS_PATH_IS_INVALID, szLabel);
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AfxMessageBox(strPrompt, MB_ICONEXCLAMATION);
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// Do this so that the control receives focus.
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(void) pDX->PrepareEditCtrl(nIDC);
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// Fail the call.
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strPrompt.Empty(); // exception prep
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pDX->Fail();
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} // if: path is invalid
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} // if: saving data
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} //*** DDV_Path()
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/////////////////////////////////////////////////////////////////////////////
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//++
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//
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// CleanupLabel
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//
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// Routine Description:
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// Prepare a label read from a dialog to be used as a string in a
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// message by removing ampersands (&) and colons (:).
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//
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// Arguments:
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// pszLabel [IN OUT] Label to be cleaned up.
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//
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// Return Value:
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// None.
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//
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//--
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/////////////////////////////////////////////////////////////////////////////
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void CleanupLabel(LPTSTR pszLabel)
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{
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LPTSTR pIn, pOut;
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LANGID langid;
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WORD primarylangid;
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BOOL bFELanguage;
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// Get the language ID.
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langid = GetUserDefaultLangID();
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primarylangid = (WORD) PRIMARYLANGID(langid);
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bFELanguage = ((primarylangid == LANG_JAPANESE)
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|| (primarylangid == LANG_CHINESE)
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|| (primarylangid == LANG_KOREAN));
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//
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// copy the name sans '&' and ':' chars
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//
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pIn = pOut = pszLabel;
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do
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{
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//
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// strip FE accelerators with parentheses. e.g. "foo(&F)" -> "foo"
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//
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if ( bFELanguage
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&& (pIn[0] == _T('('))
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&& (pIn[1] == _T('&'))
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&& (pIn[2] != _T('\0'))
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&& (pIn[3] == _T(')')))
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{
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pIn += 3;
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}
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else if ((*pIn != _T('&')) && (*pIn != _T(':')))
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*pOut++ = *pIn;
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} while (*pIn++ != _T('\0')) ;
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} //*** CleanupLabel()
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