aurey | Ok bon j'ai obtenue ce code :
Code :
- #include <stdio.h>
- #include <conio2.h>
- #include <stdlib.h>
- #include <string.h>
- #include <windows.h>
- void PageGDICalls (HDC, int, int) ;
- LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
- BOOL PrintMyPage (HWND) ;
- extern HINSTANCE hInst ;
- extern TCHAR szAppName[] ;
- extern TCHAR szCaption[] ; // in PRINT.C
- HDC GetPrinterDC (void) ; // in GETPRNDC.C
- main(int argc, char **argv)
- {
- HINSTANCE hInst ;
- TCHAR szAppName[] = TEXT ("Print1" ) ;
- TCHAR szCaption[] = TEXT ("Print Program 1" ) ;
- BOOL PrintMyPage (HWND hwnd)
- {
- static DOCINFO di = { sizeof (DOCINFO), TEXT ("Print1: Printing" ) } ;
- BOOL bSuccess = TRUE ;
- HDC hdcPrn ;
- int xPage, yPage ;
-
- if (NULL == (hdcPrn = GetPrinterDC ()))
- return FALSE ;
- xPage = GetDeviceCaps (hdcPrn, HORZRES) ;
- yPage = GetDeviceCaps (hdcPrn, VERTRES) ;
-
- if (StartDoc (hdcPrn, &di) > 0)
- {
- if (StartPage (hdcPrn) > 0)
- {
- PageGDICalls (hdcPrn, xPage, yPage) ;
-
- if (EndPage (hdcPrn) > 0)
- EndDoc (hdcPrn) ;
- else
- bSuccess = FALSE ;
- }
- }
- else
- bSuccess = FALSE ;
-
- DeleteDC (hdcPrn) ;
- return bSuccess ;
- }
- system ("PAUSE" );
- return 0;
- }
- HDC GetPrinterDC (void)
- {
- DWORD dwNeeded, dwReturned ;
- HDC hdc ;
- PRINTER_INFO_4 * pinfo4 ;
- PRINTER_INFO_5 * pinfo5 ;
- DWORD pcchBuffer;
- OSVERSIONINFO osver;
- osver.dwOSVersionInfoSize =sizeof(OSVERSIONINFO);
- GetVersionEx(&osver);
- if (GetVersion () & 0x80000000) // Windows 98
- {
- EnumPrinters (PRINTER_ENUM_DEFAULT, NULL, 5, NULL,
- 0, &dwNeeded, &dwReturned) ;
- pinfo5 = (PRINTER_INFO_5*)malloc (dwNeeded) ;
- EnumPrinters (PRINTER_ENUM_DEFAULT, NULL, 5, (PBYTE) pinfo5,
- dwNeeded, &dwNeeded, &dwReturned) ;
- hdc = CreateDC (NULL, pinfo5->pPrinterName, NULL, NULL) ;
- free (pinfo5) ;
- }
- else if(osver.dwMinorVersion==1){ //windows XP
- GetDefaultPrinter(NULL,&pcchBuffer);
- TCHAR* pszBuffer = new TCHAR[pcchBuffer]; // printer name buffer
- GetDefaultPrinter(pszBuffer,&pcchBuffer);
- hdc = CreateDC (NULL, pinfo4->pPrinterName, NULL, NULL) ;
- }
- else // Windows NT
- {
- EnumPrinters (PRINTER_ENUM_LOCAL, NULL, 4, NULL,
- 0, &dwNeeded, &dwReturned) ;
- pinfo4 = (PRINTER_INFO_4*)malloc (dwNeeded) ;
- EnumPrinters (PRINTER_ENUM_LOCAL, NULL, 4, (PBYTE) pinfo4,
- dwNeeded, &dwNeeded, &dwReturned) ;
- hdc = CreateDC (NULL, pinfo4->pPrinterName, NULL, NULL) ;
- free (pinfo4) ;
- }
- return hdc ;
- }
- int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
- PSTR szCmdLine, int iCmdShow)
- {
- HWND hwnd ;
- MSG msg ;
- WNDCLASS wndclass ;
-
- wndclass.style = CS_HREDRAW | CS_VREDRAW ;
- wndclass.lpfnWndProc = WndProc ;
- wndclass.cbClsExtra = 0 ;
- wndclass.cbWndExtra = 0 ;
- wndclass.hInstance = hInstance ;
- wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION) ;
- wndclass.hCursor = LoadCursor (NULL, IDC_ARROW) ;
- wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ;
- wndclass.lpszMenuName = NULL ;
- wndclass.lpszClassName = szAppName ;
-
- if (!RegisterClass (&wndclass))
- {
- MessageBox (NULL, TEXT ("This program requires Windows NT!" ),
- szAppName, MB_ICONERROR) ;
- return 0 ;
- }
-
- hInst = hInstance ;
-
- hwnd = CreateWindow (szAppName, szCaption,
- WS_OVERLAPPEDWINDOW,
- CW_USEDEFAULT, CW_USEDEFAULT,
- CW_USEDEFAULT, CW_USEDEFAULT,
- NULL, NULL, hInstance, NULL) ;
-
- ShowWindow (hwnd, iCmdShow) ;
- UpdateWindow (hwnd) ;
-
- while (GetMessage (&msg, NULL, 0, 0))
- {
- TranslateMessage (&msg) ;
- DispatchMessage (&msg) ;
- }
- return msg.wParam ;
- }
- void PageGDICalls (HDC hdcPrn, int cxPage, int cyPage)
- {
- static TCHAR szTextStr[] = TEXT ("Hello, Printer!" ) ;
-
- Rectangle (hdcPrn, 0, 0, cxPage, cyPage) ;
-
- MoveToEx (hdcPrn, 0, 0, NULL) ;
- LineTo (hdcPrn, cxPage, cyPage) ;
- MoveToEx (hdcPrn, cxPage, 0, NULL) ;
- LineTo (hdcPrn, 0, cyPage) ;
-
- SaveDC (hdcPrn) ;
-
- SetMapMode (hdcPrn, MM_ISOTROPIC) ;
- SetWindowExtEx (hdcPrn, 1000, 1000, NULL) ;
- SetViewportExtEx (hdcPrn, cxPage / 2, -cyPage / 2, NULL) ;
- SetViewportOrgEx (hdcPrn, cxPage / 2, cyPage / 2, NULL) ;
-
- Ellipse (hdcPrn, -500, 500, 500, -500) ;
-
- SetTextAlign (hdcPrn, TA_BASELINE | TA_CENTER) ;
- TextOut (hdcPrn, 0, 0, szTextStr, lstrlen (szTextStr)) ;
- RestoreDC (hdcPrn, -1) ;
- }
- LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
- {
- static int cxClient, cyClient ;
- HDC hdc ;
- HMENU hMenu ;
- PAINTSTRUCT ps ;
-
- switch (message)
- {
- case WM_CREATE:
- hMenu = GetSystemMenu (hwnd, FALSE) ;
- AppendMenu (hMenu, MF_SEPARATOR, 0, NULL) ;
- AppendMenu (hMenu, 0, 1, TEXT ("&Print" )) ;
- return 0 ;
-
- case WM_SIZE:
- cxClient = LOWORD (lParam) ;
- cyClient = HIWORD (lParam) ;
- return 0 ;
-
- case WM_SYSCOMMAND:
- if (wParam == 1)
- {
- if (!PrintMyPage (hwnd))
- MessageBox (hwnd, TEXT ("Could not print page!" ),
- szAppName, MB_OK | MB_ICONEXCLAMATION) ;
- return 0 ;
- }
- break ;
-
- case WM_PAINT :
- hdc = BeginPaint (hwnd, &ps) ;
-
- PageGDICalls (hdc, cxClient, cyClient) ;
-
- EndPaint (hwnd, &ps) ;
- return 0 ;
-
- case WM_DESTROY :
- PostQuitMessage (0) ;
- return 0 ;
- }
- return DefWindowProc (hwnd, message, wParam, lParam) ;
- }
|
Mais j'ai une erreur sur cette ligne :
Code :
- TCHAR* pszBuffer = new TCHAR[pcchBuffer]; // printer name buffer
|
erreur : `new' undeclared (first use in this function)
Je vois pas l'erreur, je voie même pas ou elle est déclarer!C'est peut-être ça justement l'erreur?
Merci |
