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[NOTEPAD] Add 'Now-printing' dialog (#5127)
Allow the user to cancel the print job. - Add DIALOG_PRINTING dialog. - Make the print job another thread. - Let the thread communicate with the dialog box by PRINTING_MESSAGE. - Add some resource strings. CORE-18837
This commit is contained in:
Katayama Hirofumi MZ
GitHub
parent
b49b47fc84
commit
072503c1fc
41 changed files with 812 additions and 68 deletions
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@ -717,7 +717,10 @@ DrawHeaderOrFooter(HDC hDC, LPRECT pRect, LPCTSTR pszFormat, INT nPageNo, const
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typedef struct
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{
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LPPRINTDLG pPrinter;
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PRINTDLG printer;
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HWND hwndDlg;
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INT status;
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INT currentPage;
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RECT printRect;
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SYSTEMTIME stNow;
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HFONT hHeaderFont;
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@ -732,7 +735,7 @@ typedef struct
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static BOOL DoPrintBody(PPRINT_DATA pData, DWORD PageCount, BOOL bSkipPage)
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{
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LPPRINTDLG pPrinter = pData->pPrinter;
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LPPRINTDLG pPrinter = &pData->printer;
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RECT printRect = pData->printRect;
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INT xLeft = printRect.left, yTop = printRect.top + pData->cyHeader + pData->cySpacing;
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INT xStart, tabWidth;
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@ -751,6 +754,7 @@ static BOOL DoPrintBody(PPRINT_DATA pData, DWORD PageCount, BOOL bSkipPage)
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} \
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ichStart = pData->ich; \
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xStart = xLeft; \
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if (pData->status == STRING_PRINTCANCELING) return FALSE; \
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} while (0)
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/* The drawing-body loop */
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@ -819,8 +823,8 @@ static BOOL DoPrintBody(PPRINT_DATA pData, DWORD PageCount, BOOL bSkipPage)
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static BOOL DoPrintPage(PPRINT_DATA pData, DWORD PageCount)
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{
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LPPRINTDLG pPrinter = pData->pPrinter;
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BOOL bSkipPage;
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LPPRINTDLG pPrinter = &pData->printer;
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BOOL bSkipPage, ret;
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HFONT hOldFont;
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/* Should we skip this page? */
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@ -833,7 +837,7 @@ static BOOL DoPrintPage(PPRINT_DATA pData, DWORD PageCount)
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{
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if (StartPage(pPrinter->hDC) <= 0)
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{
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AlertPrintError();
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pData->status = STRING_PRINTFAILED;
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return FALSE;
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}
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@ -850,8 +854,10 @@ static BOOL DoPrintPage(PPRINT_DATA pData, DWORD PageCount)
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}
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hOldFont = SelectObject(pPrinter->hDC, pData->hBodyFont);
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DoPrintBody(pData, PageCount, bSkipPage);
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ret = DoPrintBody(pData, PageCount, bSkipPage);
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SelectObject(pPrinter->hDC, hOldFont);
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if (!ret)
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return FALSE; /* Canceled */
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/* The epilogue of a page */
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if (!bSkipPage)
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@ -869,7 +875,7 @@ static BOOL DoPrintPage(PPRINT_DATA pData, DWORD PageCount)
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if (EndPage(pPrinter->hDC) <= 0)
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{
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AlertPrintError();
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pData->status = STRING_PRINTFAILED;
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return FALSE;
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}
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}
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@ -877,9 +883,10 @@ static BOOL DoPrintPage(PPRINT_DATA pData, DWORD PageCount)
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return TRUE;
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}
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#define HEADER_FONT_SIZE 11 /* 11pt */
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#define BODY_FONT_SIZE 9 /* 9pt */
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#define BODY_FONT_SIZE 10 /* 10pt */
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#define HEADER_FONT_SIZE 9 /* 9pt */
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#define SPACING_HEIGHT 4 /* 4pt */
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#define PRINTING_MESSAGE (WM_USER + 100)
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static BOOL DoCreatePrintFonts(LPPRINTDLG pPrinter, PPRINT_DATA pPrintData)
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{
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@ -887,17 +894,15 @@ static BOOL DoCreatePrintFonts(LPPRINTDLG pPrinter, PPRINT_DATA pPrintData)
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/* Create the main text font for printing */
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lfBody = Globals.lfFont;
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lfBody.lfHeight = -Y_POINTS_TO_PIXELS(pPrinter->hDC, HEADER_FONT_SIZE);
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lfBody.lfHeight = -Y_POINTS_TO_PIXELS(pPrinter->hDC, BODY_FONT_SIZE);
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pPrintData->hBodyFont = CreateFontIndirect(&lfBody);
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if (pPrintData->hBodyFont == NULL)
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return FALSE;
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/* Create the header/footer font */
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ZeroMemory(&lfHeader, sizeof(lfHeader));
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lfHeader.lfHeight = -Y_POINTS_TO_PIXELS(pPrinter->hDC, BODY_FONT_SIZE);
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lfHeader = Globals.lfFont;
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lfHeader.lfHeight = -Y_POINTS_TO_PIXELS(pPrinter->hDC, HEADER_FONT_SIZE);
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lfHeader.lfWeight = FW_BOLD;
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lfHeader.lfCharSet = DEFAULT_CHARSET;
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StringCchCopy(lfHeader.lfFaceName, ARRAY_SIZE(lfHeader.lfFaceName), lfBody.lfFaceName);
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pPrintData->hHeaderFont = CreateFontIndirect(&lfHeader);
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if (pPrintData->hHeaderFont == NULL)
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return FALSE;
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@ -905,42 +910,42 @@ static BOOL DoCreatePrintFonts(LPPRINTDLG pPrinter, PPRINT_DATA pPrintData)
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return TRUE;
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}
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static BOOL DoPrintDocument(LPPRINTDLG pPrinter)
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static BOOL DoPrintDocument(PPRINT_DATA printData)
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{
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DOCINFO docInfo;
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PRINT_DATA printData = { pPrinter };
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LPPRINTDLG pPrinter = &printData->printer;
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DWORD CopyCount, PageCount;
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TEXTMETRIC tmHeader;
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BOOL ret = FALSE;
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HFONT hOldFont;
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GetLocalTime(&printData.stNow);
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GetLocalTime(&printData->stNow);
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printData.printRect = GetPrintingRect(pPrinter->hDC, &Globals.lMargins);
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printData->printRect = GetPrintingRect(pPrinter->hDC, &Globals.lMargins);
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if (!DoCreatePrintFonts(pPrinter, &printData))
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if (!DoCreatePrintFonts(pPrinter, printData))
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{
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ShowLastError();
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printData->status = STRING_PRINTFAILED;
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goto Quit;
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}
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if (pPrinter->Flags & PD_SELECTION)
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printData.cchText = GetSelectionTextLength(Globals.hEdit);
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printData->cchText = GetSelectionTextLength(Globals.hEdit);
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else
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printData.cchText = GetWindowTextLength(Globals.hEdit);
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printData->cchText = GetWindowTextLength(Globals.hEdit);
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/* Allocate a buffer for the text */
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printData.pszText = HeapAlloc(GetProcessHeap(), 0, (printData.cchText + 1) * sizeof(TCHAR));
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if (!printData.pszText)
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printData->pszText = HeapAlloc(GetProcessHeap(), 0, (printData->cchText + 1) * sizeof(TCHAR));
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if (!printData->pszText)
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{
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ShowLastError();
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printData->status = STRING_PRINTFAILED;
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goto Quit;
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}
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if (pPrinter->Flags & PD_SELECTION)
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GetSelectionText(Globals.hEdit, printData.pszText, printData.cchText + 1);
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GetSelectionText(Globals.hEdit, printData->pszText, printData->cchText + 1);
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else
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GetWindowText(Globals.hEdit, printData.pszText, printData.cchText + 1);
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GetWindowText(Globals.hEdit, printData->pszText, printData->cchText + 1);
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/* Start a document */
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ZeroMemory(&docInfo, sizeof(docInfo));
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@ -948,28 +953,31 @@ static BOOL DoPrintDocument(LPPRINTDLG pPrinter)
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docInfo.lpszDocName = Globals.szFileTitle;
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if (StartDoc(pPrinter->hDC, &docInfo) <= 0)
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{
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AlertPrintError();
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printData->status = STRING_PRINTFAILED;
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goto Quit;
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}
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/* Calculate the header and footer heights */
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hOldFont = SelectObject(pPrinter->hDC, printData.hHeaderFont);
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hOldFont = SelectObject(pPrinter->hDC, printData->hHeaderFont);
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GetTextMetrics(pPrinter->hDC, &tmHeader);
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printData.cyHeader = printData.cyFooter = 2 * tmHeader.tmHeight;
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printData.cySpacing = Y_POINTS_TO_PIXELS(pPrinter->hDC, SPACING_HEIGHT);
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printData->cyHeader = printData->cyFooter = 2 * tmHeader.tmHeight;
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printData->cySpacing = Y_POINTS_TO_PIXELS(pPrinter->hDC, SPACING_HEIGHT);
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SelectObject(pPrinter->hDC, hOldFont); /* De-select the font */
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if (!Globals.szHeader[0])
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printData.cyHeader = printData.cySpacing = 0;
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printData->cyHeader = printData->cySpacing = 0;
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if (!Globals.szFooter[0])
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printData.cyFooter = 0;
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printData->cyFooter = 0;
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/* The printing-copies loop */
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for (CopyCount = 1; CopyCount <= pPrinter->nCopies; ++CopyCount)
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{
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/* The printing-pages loop */
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for (PageCount = 1, printData.ich = 0; printData.ich < printData.cchText; ++PageCount)
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for (PageCount = 1, printData->ich = 0; printData->ich < printData->cchText; ++PageCount)
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{
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if (!DoPrintPage(&printData, PageCount))
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printData->currentPage = PageCount;
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PostMessage(printData->hwndDlg, PRINTING_MESSAGE, 0, 0);
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if (!DoPrintPage(printData, PageCount))
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{
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AbortDoc(pPrinter->hDC); /* Cancel printing */
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goto Quit;
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@ -978,56 +986,158 @@ static BOOL DoPrintDocument(LPPRINTDLG pPrinter)
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}
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if (EndDoc(pPrinter->hDC) <= 0)
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AlertPrintError();
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else
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ret = TRUE;
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{
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printData->status = STRING_PRINTFAILED;
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goto Quit;
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}
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Quit: /* Clean up */
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DeleteObject(printData.hHeaderFont);
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DeleteObject(printData.hBodyFont);
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if (printData.pszText)
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HeapFree(GetProcessHeap(), 0, printData.pszText);
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ret = TRUE;
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printData->status = STRING_PRINTCOMPLETE;
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Quit:
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DeleteObject(printData->hHeaderFont);
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DeleteObject(printData->hBodyFont);
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if (printData->pszText)
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HeapFree(GetProcessHeap(), 0, printData->pszText);
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if (printData->status == STRING_PRINTCANCELING)
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printData->status = STRING_PRINTCANCELED;
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PostMessage(printData->hwndDlg, PRINTING_MESSAGE, 0, 0);
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return ret;
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}
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static DWORD WINAPI PrintThreadFunc(LPVOID arg)
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{
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PPRINT_DATA pData = arg;
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pData->currentPage = 1;
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pData->status = STRING_NOWPRINTING;
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PostMessage(pData->hwndDlg, PRINTING_MESSAGE, 0, 0);
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return DoPrintDocument(pData);
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}
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static INT_PTR CALLBACK
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DIALOG_Printing_DialogProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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TCHAR szText[MAX_STRING_LEN];
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static TCHAR s_szPage[64];
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static PPRINT_DATA s_pData = NULL;
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static HANDLE s_hThread = NULL;
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switch (uMsg)
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{
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case WM_INITDIALOG:
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s_pData = (PPRINT_DATA)lParam;
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s_pData->hwndDlg = hwnd;
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SetDlgItemText(hwnd, IDC_PRINTING_FILENAME, Globals.szFileTitle);
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GetDlgItemText(hwnd, IDC_PRINTING_PAGE, s_szPage, ARRAY_SIZE(s_szPage));
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SetDlgItemText(hwnd, IDC_PRINTING_PAGE, NULL);
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s_hThread = CreateThread(NULL, 0, PrintThreadFunc, s_pData, 0, NULL);
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if (!s_hThread)
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{
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s_pData->status = STRING_PRINTFAILED;
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EndDialog(hwnd, IDABORT);
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}
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return TRUE;
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case PRINTING_MESSAGE:
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switch (s_pData->status)
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{
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case STRING_NOWPRINTING:
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case STRING_PRINTCANCELING:
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StringCchPrintf(szText, ARRAY_SIZE(szText), s_szPage, s_pData->currentPage);
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SetDlgItemText(hwnd, IDC_PRINTING_PAGE, szText);
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LoadString(Globals.hInstance, s_pData->status, szText, ARRAY_SIZE(szText));
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SetDlgItemText(hwnd, IDC_PRINTING_STATUS, szText);
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break;
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case STRING_PRINTCOMPLETE:
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case STRING_PRINTCANCELED:
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case STRING_PRINTFAILED:
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LoadString(Globals.hInstance, s_pData->status, szText, ARRAY_SIZE(szText));
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SetDlgItemText(hwnd, IDC_PRINTING_STATUS, szText);
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if (s_pData->status == STRING_PRINTCOMPLETE)
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EndDialog(hwnd, IDOK);
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else if (s_pData->status == STRING_PRINTFAILED)
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EndDialog(hwnd, IDABORT);
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else
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EndDialog(hwnd, IDCANCEL);
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break;
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}
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break;
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case WM_COMMAND:
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if (LOWORD(wParam) == IDCANCEL && s_pData->status == STRING_NOWPRINTING)
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{
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EnableWindow(GetDlgItem(hwnd, IDCANCEL), FALSE);
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s_pData->status = STRING_PRINTCANCELING;
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PostMessage(hwnd, PRINTING_MESSAGE, 0, 0);
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}
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break;
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case WM_DESTROY:
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if (s_hThread)
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CloseHandle(s_hThread);
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DeleteDC(s_pData->printer.hDC);
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s_pData = LocalFree(s_pData);
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break;
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}
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return 0;
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}
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VOID DIALOG_FilePrint(VOID)
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{
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PRINTDLG printer;
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BOOL ret;
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LPPRINTDLG printer;
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PPRINT_DATA printData = LocalAlloc(LPTR, sizeof(PRINT_DATA));
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if (!printData)
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{
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ShowLastError();
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return;
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}
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/* Get Current Settings */
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ZeroMemory(&printer, sizeof(printer));
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printer.lStructSize = sizeof(printer);
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printer.hwndOwner = Globals.hMainWnd;
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printer.hInstance = Globals.hInstance;
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/* Set some default flags */
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printer.Flags = PD_RETURNDC | PD_SELECTION;
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printer = &printData->printer;
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printer->lStructSize = sizeof(PRINTDLG);
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printer->hwndOwner = Globals.hMainWnd;
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printer->Flags = PD_RETURNDC | PD_SELECTION;
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/* Disable the selection radio button if there is no text selected */
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if (!GetSelectionTextLength(Globals.hEdit))
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printer.Flags |= PD_NOSELECTION;
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printer->Flags |= PD_NOSELECTION;
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printer.nFromPage = 1;
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printer.nToPage = MAXWORD;
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printer.nMinPage = 1;
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printer.nMaxPage = MAXWORD;
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printer->nFromPage = 1;
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printer->nToPage = MAXWORD;
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printer->nMinPage = 1;
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printer->nMaxPage = MAXWORD;
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printer.hDevMode = Globals.hDevMode;
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printer.hDevNames = Globals.hDevNames;
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printer->hDevMode = Globals.hDevMode;
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printer->hDevNames = Globals.hDevNames;
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if (!PrintDlg(&printer))
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ret = PrintDlg(printer);
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/* NOTE: Even if PrintDlg returns FALSE, hDevMode and hDevNames may have changed. */
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Globals.hDevMode = printer->hDevMode;
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Globals.hDevNames = printer->hDevNames;
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if (!ret)
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{
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LocalFree(printData);
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return; /* The user canceled printing */
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assert(printer.hDC != NULL);
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Globals.hDevMode = printer.hDevMode;
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Globals.hDevNames = printer.hDevNames;
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}
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assert(printer->hDC != NULL);
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/* Ensure that each logical unit maps to one pixel */
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SetMapMode(printer.hDC, MM_TEXT);
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SetMapMode(printer->hDC, MM_TEXT);
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DoPrintDocument(&printer);
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DeleteDC(printer.hDC);
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if (DialogBoxParam(Globals.hInstance,
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MAKEINTRESOURCE(DIALOG_PRINTING),
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Globals.hMainWnd,
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DIALOG_Printing_DialogProc,
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(LPARAM)printer) == IDABORT)
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{
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AlertPrintError();
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}
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}
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VOID DIALOG_FileExit(VOID)
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@ -1436,6 +1546,7 @@ VOID DIALOG_FilePageSetup(void)
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PageSetupDlg(&page);
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/* NOTE: Even if PageSetupDlg returns FALSE, the following members may have changed */
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Globals.hDevMode = page.hDevMode;
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Globals.hDevNames = page.hDevNames;
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Globals.lMargins = page.rtMargin;
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